Update upstream source from tag 'upstream/16.0.8+ds1'

Update to upstream version '16.0.8+ds1'
with Debian dir 0258e42959

.rubocop_todo/rspec/missing_feature_category.yml

@@ -5126,7 +5126,6 @@ RSpec/MissingFeatureCategory:
     - 'spec/policies/ci/bridge_policy_spec.rb'
     - 'spec/policies/ci/build_policy_spec.rb'
     - 'spec/policies/ci/pipeline_policy_spec.rb'
-    - 'spec/policies/ci/pipeline_schedule_policy_spec.rb'
     - 'spec/policies/ci/trigger_policy_spec.rb'
     - 'spec/policies/clusters/agent_policy_spec.rb'
     - 'spec/policies/clusters/agent_token_policy_spec.rb'

CHANGELOG.md

@@ -2,6 +2,28 @@
 documentation](doc/development/changelog.md) for instructions on adding your own
 entry.
 
+## 16.0.8 (2023-08-01)
+
+### Fixed (1 change)
+
+- [Disable IAT verification by default](gitlab-org/security/gitlab@6d17a50539b8518da18bc68accc03b48d73173a0)
+
+### Security (13 changes)
+
+- [Prevent leaking emails of newly created users](gitlab-org/security/gitlab@b2872b398599cd7ee20c4119ae4c8e6ba2a6882d) ([merge request](gitlab-org/security/gitlab!3451))
+- [Added redirect to filtered params](gitlab-org/security/gitlab@49ffc2cc98af0e66305c8a653c74e0b92ee06ce8) ([merge request](gitlab-org/security/gitlab!3443))
+- [Relocate PlantUML config and disable SVG support](gitlab-org/security/gitlab@c6ded17a7d17ec8c3ed55cb94b8e6e524b6bbd5e) ([merge request](gitlab-org/security/gitlab!3440))
+- [Sanitize multiple hardlinks from import archives](gitlab-org/security/gitlab@9dabd8ebca50d8ea3781a0c4955a40cd07c453e7) ([merge request](gitlab-org/security/gitlab!3437))
+- [Validates project path availability](gitlab-org/security/gitlab@97e6ce4d15c8f4bcc7f60a560b789a023d391531) ([merge request](gitlab-org/security/gitlab!3428))
+- [Fix policy project assign](gitlab-org/security/gitlab@c1cca8ce8f24f6466563a50463e3254c5c423e97) ([merge request](gitlab-org/security/gitlab!3425))
+- [Fix pipeline schedule authorization for protected branch/tag](gitlab-org/security/gitlab@0c7017d993a33ef9fc693d4435505a4aea0141d1) ([merge request](gitlab-org/security/gitlab!3363))
+- [Mitigate autolink filter ReDOS](gitlab-org/security/gitlab@9072c630608a81645548b64b32d9f81bd258ba06) ([merge request](gitlab-org/security/gitlab!3432))
+- [Fix XSS vector in Web IDE](gitlab-org/security/gitlab@2832d1ae3b3e1bfc42bbeaeb29841a1e5fecac8a) ([merge request](gitlab-org/security/gitlab!3411))
+- [Mitigate project reference filter ReDOS](gitlab-org/security/gitlab@9c73619acaad3eb3605bf632f066bcee59b86566) ([merge request](gitlab-org/security/gitlab!3429))
+- [Add a stricter regex for the Harbor search param](gitlab-org/security/gitlab@c27e5e48a02d3411e84617b4fb7fd3f0fb49b618) ([merge request](gitlab-org/security/gitlab!3396))
+- [Update pipeline user to the last policy MR author](gitlab-org/security/gitlab@b1e9bcb33106ba7e279d5fd42c4f2c1727629f63) ([merge request](gitlab-org/security/gitlab!3393))
+- [Prohibit 40 character hex plus a hyphen if branch name is path](gitlab-org/security/gitlab@66c81ff6b50d0e53fc1f1b153439ad95614c9d09) ([merge request](gitlab-org/security/gitlab!3406))
+
 ## 16.0.7 (2023-07-04)
 
 ### Security (1 change)

GITALY_SERVER_VERSION

@@ -1 +1 @@
-16.0.7
+16.0.8

GITLAB_PAGES_VERSION

@@ -1 +1 @@
-16.0.7
+16.0.8

VERSION

@@ -1 +1 @@
-16.0.7
+16.0.8

app/controllers/projects/pipeline_schedules_controller.rb

@@ -21,7 +21,6 @@ class Projects::PipelineSchedulesController < Projects::ApplicationController
   end
 
   def new
-    @schedule = project.pipeline_schedules.new
   end
 
   def create
@@ -102,6 +101,15 @@ class Projects::PipelineSchedulesController < Projects::ApplicationController
         variables_attributes: [:id, :variable_type, :key, :secret_value, :_destroy])
   end
 
+  def new_schedule
+    # We need the `ref` here for `authorize_create_pipeline_schedule!`
+    @schedule ||= project.pipeline_schedules.new(ref: params.dig(:schedule, :ref))
+  end
+
+  def authorize_create_pipeline_schedule!
+    return access_denied! unless can?(current_user, :create_pipeline_schedule, new_schedule)
+  end
+
   def authorize_play_pipeline_schedule!
     return access_denied! unless can?(current_user, :play_pipeline_schedule, schedule)
   end

app/models/project.rb

@@ -584,6 +584,8 @@ class Project < ApplicationRecord
   validates :max_artifacts_size, numericality: { only_integer: true, greater_than: 0, allow_nil: true }
   validates :suggestion_commit_message, length: { maximum: MAX_SUGGESTIONS_TEMPLATE_LENGTH }
 
+  validate :path_availability, if: :path_changed?
+
   # Scopes
   scope :pending_delete, -> { where(pending_delete: true) }
   scope :without_deleted, -> { where(pending_delete: false) }
@@ -3180,6 +3182,15 @@ class Project < ApplicationRecord
   end
   strong_memoize_attr :frozen_outbound_job_token_scopes?
 
+  def path_availability
+    base, _, host = path.partition('.')
+
+    return unless host == Gitlab.config.pages&.dig('host')
+    return unless ProjectSetting.where(pages_unique_domain: base).exists?
+
+    errors.add(:path, s_('Project|already in use'))
+  end
+
   private
 
   def pages_unique_domain_enabled?

app/models/project_setting.rb

@@ -52,6 +52,8 @@ class ProjectSetting < ApplicationRecord
 
   validate :validates_mr_default_target_self
 
+  validate :pages_unique_domain_availability, if: :pages_unique_domain_changed?
+
   attribute :legacy_open_source_license_available, default: -> do
     Feature.enabled?(:legacy_open_source_license_available, type: :ops)
   end
@@ -102,6 +104,15 @@ class ProjectSetting < ApplicationRecord
     pages_unique_domain_enabled ||
       pages_unique_domain_in_database.present?
   end
+
+  def pages_unique_domain_availability
+    host = Gitlab.config.pages&.dig('host')
+
+    return if host.blank?
+    return unless Project.where(path: "#{pages_unique_domain}.#{host}").exists?
+
+    errors.add(:pages_unique_domain, s_('ProjectSetting|already in use'))
+  end
 end
 
 ProjectSetting.prepend_mod

app/policies/ci/pipeline_schedule_policy.rb

@@ -5,7 +5,18 @@ module Ci
     alias_method :pipeline_schedule, :subject
 
     condition(:protected_ref) do
-      ref_protected?(@user, @subject.project, @subject.project.repository.tag_exists?(@subject.ref), @subject.ref)
+      if full_ref?(@subject.ref)
+        is_tag = Gitlab::Git.tag_ref?(@subject.ref)
+        ref_name = Gitlab::Git.ref_name(@subject.ref)
+      else
+        # NOTE: this block should not be removed
+        # until the full ref validation is in place
+        # and all old refs are updated and validated
+        is_tag = @subject.project.repository.tag_exists?(@subject.ref)
+        ref_name = @subject.ref
+      end
+
+      ref_protected?(@user, @subject.project, is_tag, ref_name)
     end
 
     condition(:owner_of_schedule) do
@@ -31,6 +42,15 @@ module Ci
       enable :take_ownership_pipeline_schedule
     end
 
-    rule { protected_ref }.prevent :play_pipeline_schedule
+    rule { protected_ref }.policy do
+      prevent :play_pipeline_schedule
+      prevent :create_pipeline_schedule
+    end
+
+    private
+
+    def full_ref?(ref)
+      Gitlab::Git.tag_ref?(ref) || Gitlab::Git.branch_ref?(ref)
+    end
   end
 end

app/services/bulk_imports/archive_extraction_service.rb

@@ -49,11 +49,7 @@ module BulkImports
     end
 
     def validate_symlink
-      raise(BulkImports::Error, 'Invalid file') if symlink?(filepath)
+      raise(BulkImports::Error, 'Invalid file') if Gitlab::Utils::FileInfo.linked?(filepath)
-    end
-
-    def symlink?(filepath)
-      File.lstat(filepath).symlink?
     end
 
     def extract_archive

app/services/bulk_imports/file_decompression_service.rb

@@ -53,7 +53,7 @@ module BulkImports
     end
 
     def validate_symlink(filepath)
-      raise(ServiceError, 'Invalid file') if File.lstat(filepath).symlink?
+      raise(ServiceError, 'Invalid file') if Gitlab::Utils::FileInfo.linked?(filepath)
     end
 
     def decompress_file

config/application.rb

@@ -171,6 +171,7 @@ module Gitlab
     # - Any parameter containing `password`
     # - Any parameter containing `secret`
     # - Any parameter ending with `key`
+    # - Any parameter named `redirect`, filtered for security concerns of exposing sensitive information
     # - Two-factor tokens (:otp_attempt)
     # - Repo/Project Import URLs (:import_url)
     # - Build traces (:trace)
@@ -213,6 +214,7 @@ module Gitlab
       variables
       content
       sharedSecret
+      redirect
     )
 
     # Enable escaping HTML in JSON.

lib/banzai/filter/autolink_filter.rb

@@ -34,8 +34,13 @@ module Banzai
       # https://github.com/vmg/rinku/blob/v2.0.1/ext/rinku/autolink.c#L65
       #
       # Rubular: http://rubular.com/r/nrL3r9yUiq
+      # Note that it's not possible to use Gitlab::UntrustedRegexp for LINK_PATTERN,
+      # as `(?<!` is unsupported in `re2`, see https://github.com/google/re2/wiki/Syntax
       LINK_PATTERN = %r{([a-z][a-z0-9\+\.-]+://[^\s>]+)(?<!\?|!|\.|,|:)}.freeze
 
+      ENTITY_UNTRUSTED = '((?:&[\w#]+;)+)\z'
+      ENTITY_UNTRUSTED_REGEX = Gitlab::UntrustedRegexp.new(ENTITY_UNTRUSTED, multiline: false)
+
       # Text matching LINK_PATTERN inside these elements will not be linked
       IGNORE_PARENTS = %w(a code kbd pre script style).to_set
 
@@ -85,10 +90,14 @@ module Banzai
         # Remove any trailing HTML entities and store them for appending
         # outside the link element. The entity must be marked HTML safe in
         # order to be output literally rather than escaped.
-        match.gsub!(/((?:&[\w#]+;)+)\z/, '')
+        dropped = ''
-        dropped = (Regexp.last_match(1) || '').html_safe
+        match = ENTITY_UNTRUSTED_REGEX.replace_gsub(match) do |entities|
+          dropped = entities[1].html_safe
 
-        # To match the behaviour of Rinku, if the matched link ends with a
+          ''
+        end
+
+        # To match the behavior of Rinku, if the matched link ends with a
         # closing part of a matched pair of punctuation, we remove that trailing
         # character unless there are an equal number of closing and opening
         # characters in the link.

lib/banzai/filter/plantuml_filter.rb

@@ -11,7 +11,7 @@ module Banzai
       def call
         return doc unless settings.plantuml_enabled? && doc.at_xpath(lang_tag)
 
-        plantuml_setup
+        Gitlab::Plantuml.configure
 
         doc.xpath(lang_tag).each do |node|
           img_tag = Nokogiri::HTML::DocumentFragment.parse(
@@ -38,15 +38,6 @@ module Banzai
       def settings
         Gitlab::CurrentSettings.current_application_settings
       end
-
-      def plantuml_setup
-        Asciidoctor::PlantUml.configure do |conf|
-          conf.url = settings.plantuml_url
-          conf.png_enable = settings.plantuml_enabled
-          conf.svg_enable = false
-          conf.txt_enable = false
-        end
-      end
     end
   end
 end

lib/bulk_imports/common/pipelines/lfs_objects_pipeline.rb

@@ -24,7 +24,7 @@ module BulkImports
           return if tar_filepath?(file_path)
           return if lfs_json_filepath?(file_path)
           return if File.directory?(file_path)
-          return if File.lstat(file_path).symlink?
+          return if Gitlab::Utils::FileInfo.linked?(file_path)
 
           size = File.size(file_path)
           oid = LfsObject.calculate_oid(file_path)

lib/bulk_imports/common/pipelines/uploads_pipeline.rb

@@ -24,7 +24,7 @@ module BulkImports
           # Validate that the path is OK to load
           Gitlab::Utils.check_allowed_absolute_path_and_path_traversal!(file_path, [Dir.tmpdir])
           return if File.directory?(file_path)
-          return if File.lstat(file_path).symlink?
+          return if Gitlab::Utils::FileInfo.linked?(file_path)
 
           avatar_path = AVATAR_PATTERN.match(file_path)
           return save_avatar(file_path) if avatar_path

lib/bulk_imports/file_downloads/validations.rb

@@ -32,7 +32,7 @@ module BulkImports
       end
 
       def validate_symlink
-        return unless File.lstat(filepath).symlink?
+        return unless Gitlab::Utils::FileInfo.linked?(filepath)
 
         File.delete(filepath)
         raise_error 'Invalid downloaded file'

lib/bulk_imports/projects/pipelines/design_bundle_pipeline.rb

@@ -26,7 +26,7 @@ module BulkImports
           return unless portable.lfs_enabled?
           return unless File.exist?(bundle_path)
           return if File.directory?(bundle_path)
-          return if File.lstat(bundle_path).symlink?
+          return if Gitlab::Utils::FileInfo.linked?(bundle_path)
 
           portable.design_repository.create_from_bundle(bundle_path)
         end

lib/bulk_imports/projects/pipelines/repository_bundle_pipeline.rb

@@ -26,7 +26,7 @@ module BulkImports
 
           return unless File.exist?(bundle_path)
           return if File.directory?(bundle_path)
-          return if File.lstat(bundle_path).symlink?
+          return if Gitlab::Utils::FileInfo.linked?(bundle_path)
 
           portable.repository.create_from_bundle(bundle_path)
         end

lib/gitlab/asciidoc.rb

@@ -77,20 +77,11 @@ module Gitlab
       context[:pipeline] = :ascii_doc
       context[:max_includes] = [MAX_INCLUDES, context[:max_includes]].compact.min
 
-      plantuml_setup
+      Gitlab::Plantuml.configure
 
       html = ::Asciidoctor.convert(input, asciidoc_opts)
       html = Banzai.render(html, context)
       html.html_safe
     end
-
-    def self.plantuml_setup
-      Asciidoctor::PlantUml.configure do |conf|
-        conf.url = Gitlab::CurrentSettings.plantuml_url
-        conf.svg_enable = Gitlab::CurrentSettings.plantuml_enabled
-        conf.png_enable = Gitlab::CurrentSettings.plantuml_enabled
-        conf.txt_enable = false
-      end
-    end
   end
 end

lib/gitlab/checks/branch_check.rb

@@ -42,7 +42,7 @@ module Gitlab
       def prohibited_branch_checks
         return if deletion?
 
-        if branch_name =~ %r{\A\h{40}(/|\z)}
+        if branch_name =~ %r{\A\h{40}(-/|/|\z)}
           raise GitAccess::ForbiddenError, ERROR_MESSAGES[:prohibited_hex_branch_name]
         end
       end

lib/gitlab/ci/decompressed_gzip_size_validator.rb

@@ -65,7 +65,7 @@ module Gitlab
       def validate_archive_path
         Gitlab::Utils.check_path_traversal!(archive_path)
 
-        raise(ServiceError, 'Archive path is a symlink') if File.lstat(archive_path).symlink?
+        raise(ServiceError, 'Archive path is a symlink or hard link') if Gitlab::Utils::FileInfo.linked?(archive_path)
         raise(ServiceError, 'Archive path is not a file') unless File.file?(archive_path)
       end
 

lib/gitlab/harbor/query.rb

@@ -25,7 +25,7 @@ module Gitlab
         message: 'params invalid'
       }, allow_blank: true
       validates :search, format: {
-        with: /\A([a-z\_]*=[a-zA-Z0-9\- :]*,*)*\z/,
+        with: /\A(name=[a-zA-Z0-9\-:]+(?:,name=[a-zA-Z0-9\-:]+)*)\z/,
         message: 'params invalid'
       }, allow_blank: true
 

lib/gitlab/import_export/command_line_util.rb

@@ -5,8 +5,11 @@ module Gitlab
     module CommandLineUtil
       UNTAR_MASK = 'u+rwX,go+rX,go-w'
       DEFAULT_DIR_MODE = 0700
+      CLEAN_DIR_IGNORE_FILE_NAMES = %w[. ..].freeze
 
-      FileOversizedError = Class.new(StandardError)
+      CommandLineUtilError = Class.new(StandardError)
+      FileOversizedError = Class.new(CommandLineUtilError)
+      HardLinkError = Class.new(CommandLineUtilError)
 
       def tar_czf(archive:, dir:)
         tar_with_options(archive: archive, dir: dir, options: 'czf')
@@ -90,7 +93,7 @@ module Gitlab
       def untar_with_options(archive:, dir:, options:)
         execute_cmd(%W(tar -#{options} #{archive} -C #{dir}))
         execute_cmd(%W(chmod -R #{UNTAR_MASK} #{dir}))
-        remove_symlinks(dir)
+        clean_extraction_dir!(dir)
       end
 
       # rubocop:disable Gitlab/ModuleWithInstanceVariables
@@ -122,17 +125,27 @@ module Gitlab
         true
       end
 
-      def remove_symlinks(dir)
+      # Scans and cleans the directory tree.
-        ignore_file_names = %w[. ..]
+      # Symlinks are considered legal but are removed.
-
+      # Files sharing hard links are considered illegal and the directory will be removed
+      # and a `HardLinkError` exception will be raised.
+      #
+      # @raise [HardLinkError] if there multiple hard links to the same file detected.
+      # @return [Boolean] true
+      def clean_extraction_dir!(dir)
         # Using File::FNM_DOTMATCH to also delete symlinks starting with "."
-        Dir.glob("#{dir}/**/*", File::FNM_DOTMATCH)
+        Dir.glob("#{dir}/**/*", File::FNM_DOTMATCH).each do |filepath|
-          .reject { |f| ignore_file_names.include?(File.basename(f)) }
+          next if CLEAN_DIR_IGNORE_FILE_NAMES.include?(File.basename(filepath))
-          .each do |filepath|
+
-            FileUtils.rm(filepath) if File.lstat(filepath).symlink?
+          raise HardLinkError, 'File shares hard link' if Gitlab::Utils::FileInfo.shares_hard_link?(filepath)
-          end
+
+          FileUtils.rm(filepath) if Gitlab::Utils::FileInfo.linked?(filepath)
+        end
 
         true
+      rescue HardLinkError
+        FileUtils.remove_dir(dir)
+        raise
       end
     end
   end

lib/gitlab/import_export/decompressed_archive_size_validator.rb

@@ -87,7 +87,7 @@ module Gitlab
       def validate_archive_path
         Gitlab::Utils.check_path_traversal!(@archive_path)
 
-        raise(ServiceError, 'Archive path is a symlink') if File.lstat(@archive_path).symlink?
+        raise(ServiceError, 'Archive path is a symlink or hard link') if Gitlab::Utils::FileInfo.linked?(@archive_path)
         raise(ServiceError, 'Archive path is not a file') unless File.file?(@archive_path)
       end
 

lib/gitlab/import_export/file_importer.rb

@@ -23,7 +23,7 @@ module Gitlab
         mkdir_p(@shared.export_path)
         mkdir_p(@shared.archive_path)
 
-        remove_symlinks(@shared.export_path)
+        clean_extraction_dir!(@shared.export_path)
         copy_archive
 
         wait_for_archived_file do
@@ -35,7 +35,7 @@ module Gitlab
         false
       ensure
         remove_import_file
-        remove_symlinks(@shared.export_path)
+        clean_extraction_dir!(@shared.export_path)
       end
 
       private

lib/gitlab/import_export/json/ndjson_reader.rb

@@ -21,7 +21,9 @@ module Gitlab
           # This reads from `tree/project.json`
           path = file_path("#{importable_path}.json")
 
-          raise Gitlab::ImportExport::Error, 'Invalid file' if !File.exist?(path) || File.symlink?(path)
+          if !File.exist?(path) || Gitlab::Utils::FileInfo.linked?(path)
+            raise Gitlab::ImportExport::Error, 'Invalid file'
+          end
 
           data = File.read(path, MAX_JSON_DOCUMENT_SIZE)
           json_decode(data)
@@ -34,7 +36,7 @@ module Gitlab
             # This reads from `tree/project/merge_requests.ndjson`
             path = file_path(importable_path, "#{key}.ndjson")
 
-            next if !File.exist?(path) || File.symlink?(path)
+            next if !File.exist?(path) || Gitlab::Utils::FileInfo.linked?(path)
 
             File.foreach(path, MAX_JSON_DOCUMENT_SIZE).with_index do |line, line_num|
               documents << [json_decode(line), line_num]

lib/gitlab/import_export/recursive_merge_folders.rb

@@ -57,7 +57,7 @@ module Gitlab
           source_child = File.join(source_path, child)
           target_child = File.join(target_path, child)
 
-          next if File.lstat(source_child).symlink?
+          next if Gitlab::Utils::FileInfo.linked?(source_child)
 
           if File.directory?(source_child)
             FileUtils.mkdir_p(target_child, mode: DEFAULT_DIR_MODE) unless File.exist?(target_child)

lib/gitlab/pages/virtual_host_finder.rb

@@ -10,13 +10,12 @@ module Gitlab
       def execute
         return if host.blank?
 
-        gitlab_host = ::Settings.pages.host.downcase.prepend(".")
+        gitlab_host = ::Gitlab.config.pages.host.downcase.prepend(".")
 
         if host.ends_with?(gitlab_host)
           name = host.delete_suffix(gitlab_host)
 
-          by_namespace_domain(name) ||
+          by_unique_domain(name) || by_namespace_domain(name)
-            by_unique_domain(name)
         else
           by_custom_domain(host)
         end

lib/gitlab/path_regex.rb

@@ -130,7 +130,7 @@ module Gitlab
     # `NAMESPACE_FORMAT_REGEX`, with the negative lookbehind assertion removed. This means that the client-side validation
     # will pass for usernames ending in `.atom` and `.git`, but will be caught by the server-side validation.
     PATH_START_CHAR = '[a-zA-Z0-9_\.]'
-    PATH_REGEX_STR = PATH_START_CHAR + '[a-zA-Z0-9_\-\.]*'
+    PATH_REGEX_STR = PATH_START_CHAR + '[a-zA-Z0-9_\-\.]' + "{0,#{Namespace::URL_MAX_LENGTH - 1}}"
     NAMESPACE_FORMAT_REGEX_JS = PATH_REGEX_STR + '[a-zA-Z0-9_\-]|[a-zA-Z0-9_]'
 
     NO_SUFFIX_REGEX = /(?<!\.git|\.atom)/.freeze

lib/gitlab/plantuml.rb

@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+require "asciidoctor_plantuml/plantuml"
+
+module Gitlab
+  module Plantuml
+    class << self
+      def configure
+        Asciidoctor::PlantUml.configure do |conf|
+          conf.url        = Gitlab::CurrentSettings.plantuml_url
+          conf.png_enable = Gitlab::CurrentSettings.plantuml_enabled
+          conf.svg_enable = false
+          conf.txt_enable = false
+
+          conf
+        end
+      end
+    end
+  end
+end

lib/gitlab/utils/file_info.rb

@@ -0,0 +1,35 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Utils
+    module FileInfo
+      class << self
+        # Returns true if:
+        # - File or directory is a symlink.
+        # - File shares a hard link.
+        def linked?(file)
+          stat = to_file_stat(file)
+
+          stat.symlink? || shares_hard_link?(stat)
+        end
+
+        # Returns:
+        # - true if file shares a hard link with another file.
+        # - false if file is a directory, as directories cannot be hard linked.
+        def shares_hard_link?(file)
+          stat = to_file_stat(file)
+
+          stat.file? && stat.nlink > 1
+        end
+
+        private
+
+        def to_file_stat(filepath_or_stat)
+          return filepath_or_stat if filepath_or_stat.is_a?(File::Stat)
+
+          File.lstat(filepath_or_stat)
+        end
+      end
+    end
+  end
+end

lib/json_web_token/hmac_token.rb

@@ -4,7 +4,7 @@ require 'jwt'
 
 module JSONWebToken
   class HMACToken < Token
-    IAT_LEEWAY = 60
+    LEEWAY = 60
     JWT_ALGORITHM = 'HS256'
 
     def initialize(secret)
@@ -13,7 +13,7 @@ module JSONWebToken
       @secret = secret
     end
 
-    def self.decode(token, secret, leeway: IAT_LEEWAY, verify_iat: true)
+    def self.decode(token, secret, leeway: LEEWAY, verify_iat: false)
       JWT.decode(token, secret, true, leeway: leeway, verify_iat: verify_iat, algorithm: JWT_ALGORITHM)
     end
 

locale/gitlab.pot

@@ -35713,6 +35713,9 @@ msgstr ""
 msgid "ProjectSettings|With GitLab Pages you can host your static websites on GitLab. GitLab Pages uses a caching mechanism for efficiency. Your changes may not take effect until that cache is invalidated, which usually takes less than a minute."
 msgstr ""
 
+msgid "ProjectSetting|already in use"
+msgstr ""
+
 msgid "ProjectTemplates|.NET Core"
 msgstr ""
 
@@ -36007,6 +36010,9 @@ msgstr ""
 msgid "ProjectsNew|Your project will be created at:"
 msgstr ""
 
+msgid "Project|already in use"
+msgstr ""
+
 msgid "PrometheusAlerts|exceeded"
 msgstr ""
 
@@ -53168,9 +53174,6 @@ msgstr ""
 msgid "eligible users"
 msgstr ""
 
-msgid "email '%{email}' is not a verified email."
-msgstr ""
-
 msgid "email address settings"
 msgstr ""
 
@@ -53476,6 +53479,9 @@ msgstr ""
 msgid "is not valid. The iteration group has to match the iteration cadence group."
 msgstr ""
 
+msgid "is not verified."
+msgstr ""
+
 msgid "is one of"
 msgstr ""
 

package.json

@@ -59,7 +59,7 @@
     "@gitlab/svgs": "3.46.0",
     "@gitlab/ui": "62.10.0",
     "@gitlab/visual-review-tools": "1.7.3",
-    "@gitlab/web-ide": "0.0.1-dev-20230511143809",
+    "@gitlab/web-ide": "0.0.1-dev-20230713160749-patch-1",
     "@mattiasbuelens/web-streams-adapter": "^0.1.0",
     "@popperjs/core": "^2.11.2",
     "@rails/actioncable": "6.1.4-7",

spec/controllers/projects/pipeline_schedules_controller_spec.rb

@@ -4,6 +4,7 @@ require 'spec_helper'
 
 RSpec.describe Projects::PipelineSchedulesController, feature_category: :continuous_integration do
   include AccessMatchersForController
+  using RSpec::Parameterized::TableSyntax
 
   let_it_be(:user) { create(:user) }
   let_it_be(:project) { create(:project, :public, :repository) }
@@ -45,6 +46,43 @@ RSpec.describe Projects::PipelineSchedulesController, feature_category: :continu
     end
   end
 
+  shared_examples 'protecting ref' do
+    where(:branch_access_levels, :tag_access_level, :maintainer_accessible, :developer_accessible) do
+      [:no_one_can_push, :no_one_can_merge] | :no_one_can_create | \
+        :be_denied_for | :be_denied_for
+      [:maintainers_can_push, :maintainers_can_merge] | :maintainers_can_create | \
+        :be_allowed_for | :be_denied_for
+      [:developers_can_push, :developers_can_merge] | :developers_can_create | \
+        :be_allowed_for | :be_allowed_for
+    end
+
+    with_them do
+      context 'when branch is protected' do
+        let(:ref_prefix) { 'heads' }
+        let(:ref_name) { 'master' }
+
+        before do
+          create(:protected_branch, *branch_access_levels, name: ref_name, project: project)
+        end
+
+        it { expect { go }.to try(maintainer_accessible, :maintainer).of(project) }
+        it { expect { go }.to try(developer_accessible, :developer).of(project) }
+      end
+
+      context 'when tag is protected' do
+        let(:ref_prefix) { 'tags' }
+        let(:ref_name) { 'v1.0.0' }
+
+        before do
+          create(:protected_tag, tag_access_level, name: ref_name, project: project)
+        end
+
+        it { expect { go }.to try(maintainer_accessible, :maintainer).of(project) }
+        it { expect { go }.to try(developer_accessible, :developer).of(project) }
+      end
+    end
+  end
+
   describe 'GET #index' do
     render_views
 
@@ -158,7 +196,9 @@ RSpec.describe Projects::PipelineSchedulesController, feature_category: :continu
     end
 
     describe 'security' do
-      let(:schedule) { attributes_for(:ci_pipeline_schedule) }
+      let(:schedule) { attributes_for(:ci_pipeline_schedule, ref: "refs/#{ref_prefix}/#{ref_name}") }
+      let(:ref_prefix) { 'heads' }
+      let(:ref_name) { "master" }
 
       it 'is allowed for admin when admin mode enabled', :enable_admin_mode do
         expect { go }.to be_allowed_for(:admin)
@@ -177,6 +217,8 @@ RSpec.describe Projects::PipelineSchedulesController, feature_category: :continu
       it { expect { go }.to be_denied_for(:user) }
       it { expect { go }.to be_denied_for(:external) }
       it { expect { go }.to be_denied_for(:visitor) }
+
+      it_behaves_like 'protecting ref'
     end
 
     def go
@@ -427,7 +469,7 @@ RSpec.describe Projects::PipelineSchedulesController, feature_category: :continu
   end
 
   describe 'POST #play', :clean_gitlab_redis_rate_limiting do
-    let(:ref) { 'master' }
+    let(:ref_name) { 'master' }
 
     before do
       project.add_developer(user)
@@ -443,7 +485,7 @@ RSpec.describe Projects::PipelineSchedulesController, feature_category: :continu
       it 'does not allow pipeline to be executed' do
         expect(RunPipelineScheduleWorker).not_to receive(:perform_async)
 
-        post :play, params: { namespace_id: project.namespace.to_param, project_id: project, id: pipeline_schedule.id }
+        go
 
         expect(response).to have_gitlab_http_status(:not_found)
       end
@@ -453,16 +495,14 @@ RSpec.describe Projects::PipelineSchedulesController, feature_category: :continu
       it 'executes a new pipeline' do
         expect(RunPipelineScheduleWorker).to receive(:perform_async).with(pipeline_schedule.id, user.id).and_return('job-123')
 
-        post :play, params: { namespace_id: project.namespace.to_param, project_id: project, id: pipeline_schedule.id }
+        go
 
         expect(flash[:notice]).to start_with 'Successfully scheduled a pipeline to run'
         expect(response).to have_gitlab_http_status(:found)
       end
 
       it 'prevents users from scheduling the same pipeline repeatedly' do
-        2.times do
+        2.times { go }
-          post :play, params: { namespace_id: project.namespace.to_param, project_id: project, id: pipeline_schedule.id }
-        end
 
         expect(flash.to_a.size).to eq(2)
         expect(flash[:alert]).to eq _('You cannot play this scheduled pipeline at the moment. Please wait a minute.')
@@ -470,17 +510,14 @@ RSpec.describe Projects::PipelineSchedulesController, feature_category: :continu
       end
     end
 
-    context 'when a developer attempts to schedule a protected ref' do
+    describe 'security' do
-      it 'does not allow pipeline to be executed' do
+      let!(:pipeline_schedule) { create(:ci_pipeline_schedule, project: project, ref: "refs/#{ref_prefix}/#{ref_name}") }
-        create(:protected_branch, project: project, name: ref)
-        protected_schedule = create(:ci_pipeline_schedule, project: project, ref: ref)
 
-        expect(RunPipelineScheduleWorker).not_to receive(:perform_async)
+      it_behaves_like 'protecting ref'
+    end
 
-        post :play, params: { namespace_id: project.namespace.to_param, project_id: project, id: protected_schedule.id }
+    def go
-
+      post :play, params: { namespace_id: project.namespace.to_param, project_id: project, id: pipeline_schedule.id }
-        expect(response).to have_gitlab_http_status(:not_found)
-      end
     end
   end
 

spec/fixtures/emails/valid_reply_signed_smime.eml

@@ -1,294 +1,294 @@
-User-Agent: Microsoft-MacOutlook/10.22.0.200209
+User-Agent: Microsoft-MacOutlook/10.22.0.200209
-Date: Mon, 17 Feb 2020 22:56:47 +0100
+Date: Mon, 17 Feb 2020 22:56:47 +0100
-Subject: Re: htmltest | test issue (#1)
+Subject: Re: htmltest | test issue (#1)
-From: "Louzan Martinez, Diego (ext) (SI BP R&D ZG)"
+From: "Louzan Martinez, Diego (ext) (SI BP R&D ZG)"
- <diego.louzan.ext@siemens.com>
+ <diego.louzan.ext@siemens.com>
-To: Administrator / htmltest
+To: Administrator / htmltest
- <dlouzan.dummy+c034670b1623e617e15a3df64223d363@gmail.com>
+ <dlouzan.dummy+c034670b1623e617e15a3df64223d363@gmail.com>
-Message-ID: <012E37D9-2A3F-4AC8-B79A-871F42914D86@siemens.com>
+Message-ID: <012E37D9-2A3F-4AC8-B79A-871F42914D86@siemens.com>
-Thread-Topic: htmltest | test issue (#1)
+Thread-Topic: htmltest | test issue (#1)
-References: <reply-c034670b1623e617e15a3df64223d363@169.254.169.254>
+References: <reply-c034670b1623e617e15a3df64223d363@169.254.169.254>
- <issue_451@169.254.169.254>
+ <issue_451@169.254.169.254>
- <note_1797@169.254.169.254>
+ <note_1797@169.254.169.254>
-In-Reply-To: <note_1797@169.254.169.254>
+In-Reply-To: <note_1797@169.254.169.254>
-Content-type: multipart/signed;
+Content-type: multipart/signed;
-	protocol="application/pkcs7-signature";
+	protocol="application/pkcs7-signature";
-	micalg=sha256;
+	micalg=sha256;
-	boundary="B_3664825007_1904734766"
+	boundary="B_3664825007_1904734766"
-MIME-Version: 1.0
+MIME-Version: 1.0
-
+
---B_3664825007_1904734766
+--B_3664825007_1904734766
-Content-type: multipart/mixed;
+Content-type: multipart/mixed;
-	boundary="B_3664825007_384940722"
+	boundary="B_3664825007_384940722"
-
+
-
+
---B_3664825007_384940722
+--B_3664825007_384940722
-Content-type: multipart/alternative;
+Content-type: multipart/alternative;
-	boundary="B_3664825007_1519466360"
+	boundary="B_3664825007_1519466360"
-
+
-
+
---B_3664825007_1519466360
+--B_3664825007_1519466360
-Content-type: text/plain;
+Content-type: text/plain;
-	charset="UTF-8"
+	charset="UTF-8"
-Content-transfer-encoding: quoted-printable
+Content-transfer-encoding: quoted-printable
-
+
-Me too, with an attachment
+Me too, with an attachment
-
+
-=20
+=20
-
+
-From: Administrator <dlouzan.dummy@gmail.com>
+From: Administrator <dlouzan.dummy@gmail.com>
-Reply to: Administrator / htmltest <dlouzan.dummy+c034670b1623e617e15a3df64=
+Reply to: Administrator / htmltest <dlouzan.dummy+c034670b1623e617e15a3df64=
-223d363@gmail.com>
+223d363@gmail.com>
-Date: Monday, 17 February 2020 at 22:55
+Date: Monday, 17 February 2020 at 22:55
-To: "Louzan Martinez, Diego (ext) (SOP IT STG XS)" <diego.louzan.ext@siemen=
+To: "Louzan Martinez, Diego (ext) (SOP IT STG XS)" <diego.louzan.ext@siemen=
-s.com>
+s.com>
-Subject: Re: htmltest | test issue (#1)
+Subject: Re: htmltest | test issue (#1)
-
+
-=20
+=20
-
+
-Administrator commented:=20
+Administrator commented:=20
-
+
-I pity the foo !!!
+I pity the foo !!!
-
+
-=E2=80=94=20
+=E2=80=94=20
-Reply to this email directly or view it on GitLab.=20
+Reply to this email directly or view it on GitLab.=20
-You're receiving this email because of your account on 169.254.169.254. If =
+You're receiving this email because of your account on 169.254.169.254. If =
-you'd like to receive fewer emails, you can unsubscribe from this thread or =
+you'd like to receive fewer emails, you can unsubscribe from this thread or =
-adjust your notification settings.=20
+adjust your notification settings.=20
-
+
-
+
---B_3664825007_1519466360
+--B_3664825007_1519466360
-Content-type: text/html;
+Content-type: text/html;
-	charset="UTF-8"
+	charset="UTF-8"
-Content-transfer-encoding: quoted-printable
+Content-transfer-encoding: quoted-printable
-
+
-<html xmlns:o=3D"urn:schemas-microsoft-com:office:office" xmlns:w=3D"urn:schema=
+<html xmlns:o=3D"urn:schemas-microsoft-com:office:office" xmlns:w=3D"urn:schema=
-s-microsoft-com:office:word" xmlns:m=3D"http://schemas.microsoft.com/office/20=
+s-microsoft-com:office:word" xmlns:m=3D"http://schemas.microsoft.com/office/20=
-04/12/omml" xmlns=3D"http://www.w3.org/TR/REC-html40"><head><meta http-equiv=3DC=
+04/12/omml" xmlns=3D"http://www.w3.org/TR/REC-html40"><head><meta http-equiv=3DC=
-ontent-Type content=3D"text/html; charset=3Dutf-8"><meta name=3DGenerator content=3D=
+ontent-Type content=3D"text/html; charset=3Dutf-8"><meta name=3DGenerator content=3D=
-"Microsoft Word 15 (filtered medium)"><title>GitLab</title><style><!--
+"Microsoft Word 15 (filtered medium)"><title>GitLab</title><style><!--
-/* Font Definitions */
+/* Font Definitions */
-@font-face
+@font-face
-	{font-family:"Cambria Math";
+	{font-family:"Cambria Math";
-	panose-1:2 4 5 3 5 4 6 3 2 4;}
+	panose-1:2 4 5 3 5 4 6 3 2 4;}
-@font-face
+@font-face
-	{font-family:Calibri;
+	{font-family:Calibri;
-	panose-1:2 15 5 2 2 2 4 3 2 4;}
+	panose-1:2 15 5 2 2 2 4 3 2 4;}
-/* Style Definitions */
+/* Style Definitions */
-p.MsoNormal, li.MsoNormal, div.MsoNormal
+p.MsoNormal, li.MsoNormal, div.MsoNormal
-	{margin:0cm;
+	{margin:0cm;
-	margin-bottom:.0001pt;
+	margin-bottom:.0001pt;
-	font-size:11.0pt;
+	font-size:11.0pt;
-	font-family:"Calibri",sans-serif;}
+	font-family:"Calibri",sans-serif;}
-a:link, span.MsoHyperlink
+a:link, span.MsoHyperlink
-	{mso-style-priority:99;
+	{mso-style-priority:99;
-	color:blue;
+	color:blue;
-	text-decoration:underline;}
+	text-decoration:underline;}
-span.EmailStyle19
+span.EmailStyle19
-	{mso-style-type:personal-reply;
+	{mso-style-type:personal-reply;
-	font-family:"Calibri",sans-serif;
+	font-family:"Calibri",sans-serif;
-	color:windowtext;}
+	color:windowtext;}
-.MsoChpDefault
+.MsoChpDefault
-	{mso-style-type:export-only;
+	{mso-style-type:export-only;
-	font-size:10.0pt;}
+	font-size:10.0pt;}
-@page WordSection1
+@page WordSection1
-	{size:612.0pt 792.0pt;
+	{size:612.0pt 792.0pt;
-	margin:72.0pt 72.0pt 72.0pt 72.0pt;}
+	margin:72.0pt 72.0pt 72.0pt 72.0pt;}
-div.WordSection1
+div.WordSection1
-	{page:WordSection1;}
+	{page:WordSection1;}
---></style></head><body lang=3Den-ES link=3Dblue vlink=3Dpurple><div class=3DWordSe=
+--></style></head><body lang=3Den-ES link=3Dblue vlink=3Dpurple><div class=3DWordSe=
-ction1><p class=3DMsoNormal><span lang=3DEN-US style=3D'mso-fareast-language:EN-US=
+ction1><p class=3DMsoNormal><span lang=3DEN-US style=3D'mso-fareast-language:EN-US=
-'>Me too, with an attachment<o:p></o:p></span></p><p class=3DMsoNormal><span s=
+'>Me too, with an attachment<o:p></o:p></span></p><p class=3DMsoNormal><span s=
-tyle=3D'mso-fareast-language:EN-US'><o:p>&nbsp;</o:p></span></p><div style=3D'bo=
+tyle=3D'mso-fareast-language:EN-US'><o:p>&nbsp;</o:p></span></p><div style=3D'bo=
-rder:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=
+rder:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=
-=3DMsoNormal><b><span style=3D'font-size:12.0pt;color:black'>From: </span></b><s=
+=3DMsoNormal><b><span style=3D'font-size:12.0pt;color:black'>From: </span></b><s=
-pan style=3D'font-size:12.0pt;color:black'>Administrator &lt;dlouzan.dummy@gma=
+pan style=3D'font-size:12.0pt;color:black'>Administrator &lt;dlouzan.dummy@gma=
-il.com&gt;<br><b>Reply to: </b>Administrator / htmltest &lt;dlouzan.dummy+c0=
+il.com&gt;<br><b>Reply to: </b>Administrator / htmltest &lt;dlouzan.dummy+c0=
-34670b1623e617e15a3df64223d363@gmail.com&gt;<br><b>Date: </b>Monday, 17 Febr=
+34670b1623e617e15a3df64223d363@gmail.com&gt;<br><b>Date: </b>Monday, 17 Febr=
-uary 2020 at 22:55<br><b>To: </b>&quot;Louzan Martinez, Diego (ext) (SOP IT =
+uary 2020 at 22:55<br><b>To: </b>&quot;Louzan Martinez, Diego (ext) (SOP IT =
-STG XS)&quot; &lt;diego.louzan.ext@siemens.com&gt;<br><b>Subject: </b>Re: ht=
+STG XS)&quot; &lt;diego.louzan.ext@siemens.com&gt;<br><b>Subject: </b>Re: ht=
-mltest | test issue (#1)<o:p></o:p></span></p></div><div><p class=3DMsoNormal>=
+mltest | test issue (#1)<o:p></o:p></span></p></div><div><p class=3DMsoNormal>=
-<o:p>&nbsp;</o:p></p></div><div><p><span style=3D'color:#777777'><a href=3D"http=
+<o:p>&nbsp;</o:p></p></div><div><p><span style=3D'color:#777777'><a href=3D"http=
-://localhost:3000/root">Administrator</a> commented: <o:p></o:p></span></p><=
+://localhost:3000/root">Administrator</a> commented: <o:p></o:p></span></p><=
-div><p>I pity the foo !!!<o:p></o:p></p></div></div><div style=3D'margin-top:7=
+div><p>I pity the foo !!!<o:p></o:p></p></div></div><div style=3D'margin-top:7=
-.5pt'><p><span style=3D'font-size:12.0pt;color:#777777'>=E2=80=94 <br>Reply to this =
+.5pt'><p><span style=3D'font-size:12.0pt;color:#777777'>=E2=80=94 <br>Reply to this =
-email directly or <a href=3D"http://localhost:3000/root/htmltest/issues/1#note=
+email directly or <a href=3D"http://localhost:3000/root/htmltest/issues/1#note=
-_1797">view it on GitLab</a>. <br>You're receiving this email because of you=
+_1797">view it on GitLab</a>. <br>You're receiving this email because of you=
-r account on 169.254.169.254. If you'd like to receive fewer emails, you can=
+r account on 169.254.169.254. If you'd like to receive fewer emails, you can=
- <a href=3D"http://localhost:3000/sent_notifications/c034670b1623e617e15a3df64=
+ <a href=3D"http://localhost:3000/sent_notifications/c034670b1623e617e15a3df64=
-223d363/unsubscribe">unsubscribe</a> from this thread or adjust your notific=
+223d363/unsubscribe">unsubscribe</a> from this thread or adjust your notific=
-ation settings. <o:p></o:p></span></p></div></div></body></html>
+ation settings. <o:p></o:p></span></p></div></div></body></html>
-
+
---B_3664825007_1519466360--
+--B_3664825007_1519466360--
-
+
-
+
---B_3664825007_384940722
+--B_3664825007_384940722
-Content-type: image/png; name="gitlab_logo.png";
+Content-type: image/png; name="gitlab_logo.png";
- x-mac-creator="4F50494D";
+ x-mac-creator="4F50494D";
- x-mac-type="504E4766"
+ x-mac-type="504E4766"
-Content-disposition: attachment;
+Content-disposition: attachment;
-	filename="gitlab_logo.png"
+	filename="gitlab_logo.png"
-Content-transfer-encoding: base64
+Content-transfer-encoding: base64
-
+
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+
---B_3664825007_1904734766--
+--B_3664825007_1904734766--

spec/lib/banzai/filter/autolink_filter_spec.rb

@@ -226,6 +226,22 @@ RSpec.describe Banzai::Filter::AutolinkFilter, feature_category: :team_planning
     end
   end
 
+  it 'protects against malicious backtracking' do
+    doc = "http://#{'&' * 1_000_000}x"
+
+    expect do
+      Timeout.timeout(30.seconds) { filter(doc) }
+    end.not_to raise_error
+  end
+
+  it 'does not timeout with excessively long scheme' do
+    doc = "#{'h' * 1_000_000}://example.com"
+
+    expect do
+      Timeout.timeout(30.seconds) { filter(doc) }
+    end.not_to raise_error
+  end
+
   # Rinku does not escape these characters in HTML attributes, but content_tag
   # does. We don't care about that difference for these specs, though.
   def unescape(html)

spec/lib/banzai/filter/references/project_reference_filter_spec.rb

@@ -39,6 +39,7 @@ RSpec.describe Banzai::Filter::References::ProjectReferenceFilter, feature_categ
 
     it_behaves_like 'fails fast', 'A' * 50000
     it_behaves_like 'fails fast', '/a' * 50000
+    it_behaves_like 'fails fast', "mailto:#{'a-' * 499_000}@aaaaaaaa..aaaaaaaa.example.com"
   end
 
   it 'allows references with text after the > character' do

spec/lib/bulk_imports/common/pipelines/lfs_objects_pipeline_spec.rb

@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-RSpec.describe BulkImports::Common::Pipelines::LfsObjectsPipeline do
+RSpec.describe BulkImports::Common::Pipelines::LfsObjectsPipeline, feature_category: :importers do
   let_it_be(:portable) { create(:project) }
   let_it_be(:oid) { 'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855' }
 
@@ -118,13 +118,22 @@ RSpec.describe BulkImports::Common::Pipelines::LfsObjectsPipeline do
     context 'when file path is symlink' do
       it 'returns' do
         symlink = File.join(tmpdir, 'symlink')
+        FileUtils.ln_s(lfs_file_path, symlink)
 
-        FileUtils.ln_s(File.join(tmpdir, lfs_file_path), symlink)
+        expect(Gitlab::Utils::FileInfo).to receive(:linked?).with(symlink).and_call_original
-
         expect { pipeline.load(context, symlink) }.not_to change { portable.lfs_objects.count }
       end
     end
 
+    context 'when file path shares multiple hard links' do
+      it 'returns' do
+        FileUtils.link(lfs_file_path, File.join(tmpdir, 'hard_link'))
+
+        expect(Gitlab::Utils::FileInfo).to receive(:linked?).with(lfs_file_path).and_call_original
+        expect { pipeline.load(context, lfs_file_path) }.not_to change { portable.lfs_objects.count }
+      end
+    end
+
     context 'when path is a directory' do
       it 'returns' do
         expect { pipeline.load(context, Dir.tmpdir) }.not_to change { portable.lfs_objects.count }

spec/lib/bulk_imports/common/pipelines/uploads_pipeline_spec.rb

@@ -105,6 +105,7 @@ RSpec.describe BulkImports::Common::Pipelines::UploadsPipeline, feature_category
         it 'returns' do
           path = File.join(tmpdir, 'test')
           FileUtils.touch(path)
+
           expect { pipeline.load(context, path) }.not_to change { portable.uploads.count }
         end
       end
@@ -118,13 +119,22 @@ RSpec.describe BulkImports::Common::Pipelines::UploadsPipeline, feature_category
       context 'when path is a symlink' do
         it 'does not upload the file' do
           symlink = File.join(tmpdir, 'symlink')
+          FileUtils.ln_s(upload_file_path, symlink)
 
-          FileUtils.ln_s(File.join(tmpdir, upload_file_path), symlink)
+          expect(Gitlab::Utils::FileInfo).to receive(:linked?).with(symlink).and_call_original
-
           expect { pipeline.load(context, symlink) }.not_to change { portable.uploads.count }
         end
       end
 
+      context 'when path has multiple hard links' do
+        it 'does not upload the file' do
+          FileUtils.link(upload_file_path, File.join(tmpdir, 'hard_link'))
+
+          expect(Gitlab::Utils::FileInfo).to receive(:linked?).with(upload_file_path).and_call_original
+          expect { pipeline.load(context, upload_file_path) }.not_to change { portable.uploads.count }
+        end
+      end
+
       context 'when path traverses' do
         it 'does not upload the file' do
           path_traversal = "#{uploads_dir_path}/avatar/../../../../etc/passwd"

spec/lib/bulk_imports/projects/pipelines/design_bundle_pipeline_spec.rb

@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-RSpec.describe BulkImports::Projects::Pipelines::DesignBundlePipeline do
+RSpec.describe BulkImports::Projects::Pipelines::DesignBundlePipeline, feature_category: :importers do
   let_it_be(:design) { create(:design, :with_file) }
 
   let(:portable) { create(:project) }
@@ -125,9 +125,9 @@ RSpec.describe BulkImports::Projects::Pipelines::DesignBundlePipeline do
     context 'when path is symlink' do
       it 'returns' do
         symlink = File.join(tmpdir, 'symlink')
+        FileUtils.ln_s(design_bundle_path, symlink)
 
-        FileUtils.ln_s(File.join(tmpdir, design_bundle_path), symlink)
+        expect(Gitlab::Utils::FileInfo).to receive(:linked?).with(symlink).and_call_original
-
         expect(portable.design_repository).not_to receive(:create_from_bundle)
 
         pipeline.load(context, symlink)
@@ -136,6 +136,19 @@ RSpec.describe BulkImports::Projects::Pipelines::DesignBundlePipeline do
       end
     end
 
+    context 'when path has multiple hard links' do
+      it 'returns' do
+        FileUtils.link(design_bundle_path, File.join(tmpdir, 'hard_link'))
+
+        expect(Gitlab::Utils::FileInfo).to receive(:linked?).with(design_bundle_path).and_call_original
+        expect(portable.design_repository).not_to receive(:create_from_bundle)
+
+        pipeline.load(context, design_bundle_path)
+
+        expect(portable.design_repository.exists?).to eq(false)
+      end
+    end
+
     context 'when path is not under tmpdir' do
       it 'returns' do
         expect { pipeline.load(context, '/home/test.txt') }

spec/lib/bulk_imports/projects/pipelines/repository_bundle_pipeline_spec.rb

@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-RSpec.describe BulkImports::Projects::Pipelines::RepositoryBundlePipeline do
+RSpec.describe BulkImports::Projects::Pipelines::RepositoryBundlePipeline, feature_category: :importers do
   let_it_be(:source) { create(:project, :repository) }
 
   let(:portable) { create(:project) }
@@ -123,9 +123,9 @@ RSpec.describe BulkImports::Projects::Pipelines::RepositoryBundlePipeline do
     context 'when path is symlink' do
       it 'returns' do
         symlink = File.join(tmpdir, 'symlink')
+        FileUtils.ln_s(bundle_path, symlink)
 
-        FileUtils.ln_s(File.join(tmpdir, bundle_path), symlink)
+        expect(Gitlab::Utils::FileInfo).to receive(:linked?).with(symlink).and_call_original
-
         expect(portable.repository).not_to receive(:create_from_bundle)
 
         pipeline.load(context, symlink)
@@ -134,6 +134,19 @@ RSpec.describe BulkImports::Projects::Pipelines::RepositoryBundlePipeline do
       end
     end
 
+    context 'when path has mutiple hard links' do
+      it 'returns' do
+        FileUtils.link(bundle_path, File.join(tmpdir, 'hard_link'))
+
+        expect(Gitlab::Utils::FileInfo).to receive(:linked?).with(bundle_path).and_call_original
+        expect(portable.repository).not_to receive(:create_from_bundle)
+
+        pipeline.load(context, bundle_path)
+
+        expect(portable.repository.exists?).to eq(false)
+      end
+    end
+
     context 'when path is not under tmpdir' do
       it 'returns' do
         expect { pipeline.load(context, '/home/test.txt') }

spec/lib/gitlab/checks/branch_check_spec.rb

@@ -32,6 +32,12 @@ RSpec.describe Gitlab::Checks::BranchCheck do
         expect { subject.validate! }.to raise_error(Gitlab::GitAccess::ForbiddenError, "You cannot create a branch with a 40-character hexadecimal branch name.")
       end
 
+      it "prohibits 40-character hexadecimal branch names followed by a dash as the start of a path" do
+        allow(subject).to receive(:branch_name).and_return("267208abfe40e546f5e847444276f7d43a39503e-/test")
+
+        expect { subject.validate! }.to raise_error(Gitlab::GitAccess::ForbiddenError, "You cannot create a branch with a 40-character hexadecimal branch name.")
+      end
+
       it "doesn't prohibit a nested hexadecimal in a branch name" do
         allow(subject).to receive(:branch_name).and_return("267208abfe40e546f5e847444276f7d43a39503e-fix")
 

spec/lib/gitlab/ci/decompressed_gzip_size_validator_spec.rb

@@ -105,6 +105,16 @@ RSpec.describe Gitlab::Ci::DecompressedGzipSizeValidator, feature_category: :imp
       end
     end
 
+    context 'when archive path has multiple hard links' do
+      before do
+        FileUtils.link(filepath, File.join(Dir.mktmpdir, 'hard_link'))
+      end
+
+      it 'returns false' do
+        expect(subject).not_to be_valid
+      end
+    end
+
     context 'when archive path is not a file' do
       let(:filepath) { Dir.mktmpdir }
       let(:filesize) { File.size(filepath) }

spec/lib/gitlab/github_import/attachments_downloader_spec.rb

@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-RSpec.describe Gitlab::GithubImport::AttachmentsDownloader do
+RSpec.describe Gitlab::GithubImport::AttachmentsDownloader, feature_category: :importers do
   subject(:downloader) { described_class.new(file_url) }
 
   let_it_be(:file_url) { 'https://example.com/avatar.png' }
@@ -39,6 +39,26 @@ RSpec.describe Gitlab::GithubImport::AttachmentsDownloader do
       end
     end
 
+    context 'when file shares multiple hard links' do
+      let(:tmpdir) { Dir.mktmpdir }
+      let(:hard_link) { File.join(tmpdir, 'hard_link') }
+
+      before do
+        existing_file = File.join(tmpdir, 'file.txt')
+        FileUtils.touch(existing_file)
+        FileUtils.link(existing_file, hard_link)
+        allow(downloader).to receive(:filepath).and_return(hard_link)
+      end
+
+      it 'raises expected exception' do
+        expect(Gitlab::Utils::FileInfo).to receive(:linked?).with(hard_link).and_call_original
+        expect { downloader.perform }.to raise_exception(
+          described_class::DownloadError,
+          'Invalid downloaded file'
+        )
+      end
+    end
+
     context 'when filename is malicious' do
       let_it_be(:file_url) { 'https://example.com/ava%2F..%2Ftar.png' }
 

spec/lib/gitlab/harbor/query_spec.rb

@@ -3,6 +3,8 @@
 require 'spec_helper'
 
 RSpec.describe Gitlab::Harbor::Query do
+  using RSpec::Parameterized::TableSyntax
+
   let_it_be(:harbor_integration) { create(:harbor_integration) }
 
   let(:params) { {} }
@@ -111,19 +113,20 @@ RSpec.describe Gitlab::Harbor::Query do
     end
 
     context 'search' do
-      context 'with valid search' do
+      where(:search_param, :is_valid) do
-        let(:params) { { search: 'name=desc' } }
+        "name=desc"                  | true
-
+        "name=value1,name=value-2"   | true
-        it 'initialize successfully' do
+        "name=value1,name=value_2"   | false
-          expect(query.valid?).to eq(true)
+        "name=desc,key=value"        | false
-        end
+        "name=value1, name=value2"   | false
+        "name"                       | false
       end
 
-      context 'with invalid search' do
+      with_them do
-        let(:params) { { search: 'blabla' } }
+        let(:params) { { search: search_param } }
 
-        it 'initialize failed' do
+        it "validates according to the regex" do
-          expect(query.valid?).to eq(false)
+          expect(query.valid?).to eq(is_valid)
         end
       end
     end

spec/lib/gitlab/import_export/command_line_util_spec.rb

@@ -5,13 +5,16 @@ require 'spec_helper'
 RSpec.describe Gitlab::ImportExport::CommandLineUtil, feature_category: :importers do
   include ExportFileHelper
 
-  let(:path) { "#{Dir.tmpdir}/symlink_test" }
-  let(:archive) { 'spec/fixtures/symlink_export.tar.gz' }
   let(:shared) { Gitlab::ImportExport::Shared.new(nil) }
-  let(:tmpdir) { Dir.mktmpdir }
+  # Separate where files are written during this test by their kind, to avoid them interfering with each other:
+  # - `source_dir` Dir to compress files from.
+  # - `target_dir` Dir to decompress archived files into.
+  # - `archive_dir` Dir to write any archive files to.
+  let(:source_dir) { Dir.mktmpdir }
+  let(:target_dir) { Dir.mktmpdir }
   let(:archive_dir) { Dir.mktmpdir }
 
-  subject do
+  subject(:mock_class) do
     Class.new do
       include Gitlab::ImportExport::CommandLineUtil
 
@@ -25,38 +28,59 @@ RSpec.describe Gitlab::ImportExport::CommandLineUtil, feature_category: :importe
   end
 
   before do
-    FileUtils.mkdir_p(path)
+    FileUtils.mkdir_p(source_dir)
   end
 
   after do
-    FileUtils.rm_rf(path)
+    FileUtils.rm_rf(source_dir)
+    FileUtils.rm_rf(target_dir)
     FileUtils.rm_rf(archive_dir)
-    FileUtils.remove_entry(tmpdir)
   end
 
   shared_examples 'deletes symlinks' do |compression, decompression|
     it 'deletes the symlinks', :aggregate_failures do
-      Dir.mkdir("#{tmpdir}/.git")
+      Dir.mkdir("#{source_dir}/.git")
-      Dir.mkdir("#{tmpdir}/folder")
+      Dir.mkdir("#{source_dir}/folder")
-      FileUtils.touch("#{tmpdir}/file.txt")
+      FileUtils.touch("#{source_dir}/file.txt")
-      FileUtils.touch("#{tmpdir}/folder/file.txt")
+      FileUtils.touch("#{source_dir}/folder/file.txt")
-      FileUtils.touch("#{tmpdir}/.gitignore")
+      FileUtils.touch("#{source_dir}/.gitignore")
-      FileUtils.touch("#{tmpdir}/.git/config")
+      FileUtils.touch("#{source_dir}/.git/config")
-      File.symlink('file.txt', "#{tmpdir}/.symlink")
+      File.symlink('file.txt', "#{source_dir}/.symlink")
-      File.symlink('file.txt', "#{tmpdir}/.git/.symlink")
+      File.symlink('file.txt', "#{source_dir}/.git/.symlink")
-      File.symlink('file.txt', "#{tmpdir}/folder/.symlink")
+      File.symlink('file.txt', "#{source_dir}/folder/.symlink")
-      archive = File.join(archive_dir, 'archive')
+      archive_file = File.join(archive_dir, 'symlink_archive.tar.gz')
-      subject.public_send(compression, archive: archive, dir: tmpdir)
+      subject.public_send(compression, archive: archive_file, dir: source_dir)
+      subject.public_send(decompression, archive: archive_file, dir: target_dir)
 
-      subject.public_send(decompression, archive: archive, dir: archive_dir)
+      expect(File).to exist("#{target_dir}/file.txt")
+      expect(File).to exist("#{target_dir}/folder/file.txt")
+      expect(File).to exist("#{target_dir}/.gitignore")
+      expect(File).to exist("#{target_dir}/.git/config")
+      expect(File).not_to exist("#{target_dir}/.symlink")
+      expect(File).not_to exist("#{target_dir}/.git/.symlink")
+      expect(File).not_to exist("#{target_dir}/folder/.symlink")
+    end
+  end
 
-      expect(File.exist?("#{archive_dir}/file.txt")).to eq(true)
+  shared_examples 'handles shared hard links' do |compression, decompression|
-      expect(File.exist?("#{archive_dir}/folder/file.txt")).to eq(true)
+    let(:archive_file) { File.join(archive_dir, 'hard_link_archive.tar.gz') }
-      expect(File.exist?("#{archive_dir}/.gitignore")).to eq(true)
+
-      expect(File.exist?("#{archive_dir}/.git/config")).to eq(true)
+    subject(:decompress) { mock_class.public_send(decompression, archive: archive_file, dir: target_dir) }
-      expect(File.exist?("#{archive_dir}/.symlink")).to eq(false)
+
-      expect(File.exist?("#{archive_dir}/.git/.symlink")).to eq(false)
+    before do
-      expect(File.exist?("#{archive_dir}/folder/.symlink")).to eq(false)
+      Dir.mkdir("#{source_dir}/dir")
+      FileUtils.touch("#{source_dir}/file.txt")
+      FileUtils.touch("#{source_dir}/dir/.file.txt")
+      FileUtils.link("#{source_dir}/file.txt", "#{source_dir}/.hard_linked_file.txt")
+
+      mock_class.public_send(compression, archive: archive_file, dir: source_dir)
+    end
+
+    it 'raises an exception and deletes the extraction dir', :aggregate_failures do
+      expect(FileUtils).to receive(:remove_dir).with(target_dir).and_call_original
+      expect(Dir).to exist(target_dir)
+      expect { decompress }.to raise_error(described_class::HardLinkError)
+      expect(Dir).not_to exist(target_dir)
     end
   end
 
@@ -212,6 +236,8 @@ RSpec.describe Gitlab::ImportExport::CommandLineUtil, feature_category: :importe
   end
 
   describe '#gzip' do
+    let(:path) { source_dir }
+
     it 'compresses specified file' do
       tempfile = Tempfile.new('test', path)
       filename = File.basename(tempfile.path)
@@ -229,14 +255,16 @@ RSpec.describe Gitlab::ImportExport::CommandLineUtil, feature_category: :importe
   end
 
   describe '#gunzip' do
+    let(:path) { source_dir }
+
     it 'decompresses specified file' do
       filename = 'labels.ndjson.gz'
       gz_filepath = "spec/fixtures/bulk_imports/gz/#{filename}"
-      FileUtils.copy_file(gz_filepath, File.join(tmpdir, filename))
+      FileUtils.copy_file(gz_filepath, File.join(path, filename))
 
-      subject.gunzip(dir: tmpdir, filename: filename)
+      subject.gunzip(dir: path, filename: filename)
 
-      expect(File.exist?(File.join(tmpdir, 'labels.ndjson'))).to eq(true)
+      expect(File.exist?(File.join(path, 'labels.ndjson'))).to eq(true)
     end
 
     context 'when exception occurs' do
@@ -250,7 +278,7 @@ RSpec.describe Gitlab::ImportExport::CommandLineUtil, feature_category: :importe
     it 'archives a folder without compression' do
       archive_file = File.join(archive_dir, 'archive.tar')
 
-      result = subject.tar_cf(archive: archive_file, dir: tmpdir)
+      result = subject.tar_cf(archive: archive_file, dir: source_dir)
 
       expect(result).to eq(true)
       expect(File.exist?(archive_file)).to eq(true)
@@ -270,29 +298,35 @@ RSpec.describe Gitlab::ImportExport::CommandLineUtil, feature_category: :importe
   end
 
   describe '#untar_zxf' do
+    let(:tar_archive_fixture) { 'spec/fixtures/symlink_export.tar.gz' }
+
     it_behaves_like 'deletes symlinks', :tar_czf, :untar_zxf
+    it_behaves_like 'handles shared hard links', :tar_czf, :untar_zxf
 
     it 'has the right mask for project.json' do
-      subject.untar_zxf(archive: archive, dir: path)
+      subject.untar_zxf(archive: tar_archive_fixture, dir: target_dir)
 
-      expect(file_permissions("#{path}/project.json")).to eq(0755) # originally 777
+      expect(file_permissions("#{target_dir}/project.json")).to eq(0755) # originally 777
     end
 
     it 'has the right mask for uploads' do
-      subject.untar_zxf(archive: archive, dir: path)
+      subject.untar_zxf(archive: tar_archive_fixture, dir: target_dir)
 
-      expect(file_permissions("#{path}/uploads")).to eq(0755) # originally 555
+      expect(file_permissions("#{target_dir}/uploads")).to eq(0755) # originally 555
     end
   end
 
   describe '#untar_xf' do
+    let(:tar_archive_fixture) { 'spec/fixtures/symlink_export.tar.gz' }
+
     it_behaves_like 'deletes symlinks', :tar_cf, :untar_xf
+    it_behaves_like 'handles shared hard links', :tar_cf, :untar_xf
 
     it 'extracts archive without decompression' do
       filename = 'archive.tar.gz'
       archive_file = File.join(archive_dir, 'archive.tar')
 
-      FileUtils.copy_file(archive, File.join(archive_dir, filename))
+      FileUtils.copy_file(tar_archive_fixture, File.join(archive_dir, filename))
       subject.gunzip(dir: archive_dir, filename: filename)
 
       result = subject.untar_xf(archive: archive_file, dir: archive_dir)

spec/lib/gitlab/import_export/decompressed_archive_size_validator_spec.rb

@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-RSpec.describe Gitlab::ImportExport::DecompressedArchiveSizeValidator do
+RSpec.describe Gitlab::ImportExport::DecompressedArchiveSizeValidator, feature_category: :importers do
   let_it_be(:filepath) { File.join(Dir.tmpdir, 'decompressed_archive_size_validator_spec.gz') }
 
   before(:all) do
@@ -121,7 +121,7 @@ RSpec.describe Gitlab::ImportExport::DecompressedArchiveSizeValidator do
 
       context 'which archive path is a symlink' do
         let(:filepath) { File.join(Dir.tmpdir, 'symlink') }
-        let(:error_message) { 'Archive path is a symlink' }
+        let(:error_message) { 'Archive path is a symlink or hard link' }
 
         before do
           FileUtils.ln_s(filepath, filepath, force: true)
@@ -132,6 +132,19 @@ RSpec.describe Gitlab::ImportExport::DecompressedArchiveSizeValidator do
         end
       end
 
+      context 'when archive path shares multiple hard links' do
+        let(:filesize) { 32 }
+        let(:error_message) { 'Archive path is a symlink or hard link' }
+
+        before do
+          FileUtils.link(filepath, File.join(Dir.mktmpdir, 'hard_link'))
+        end
+
+        it 'returns false' do
+          expect(subject).not_to be_valid
+        end
+      end
+
       context 'when archive path is not a file' do
         let(:filepath) { Dir.mktmpdir }
         let(:filesize) { File.size(filepath) }

spec/lib/gitlab/import_export/file_importer_spec.rb

@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-RSpec.describe Gitlab::ImportExport::FileImporter do
+RSpec.describe Gitlab::ImportExport::FileImporter, feature_category: :importers do
   include ExportFileHelper
 
   let(:shared) { Gitlab::ImportExport::Shared.new(nil) }
@@ -113,28 +113,73 @@ RSpec.describe Gitlab::ImportExport::FileImporter do
   end
 
   context 'error' do
+    subject(:import) { described_class.import(importable: build(:project), archive_file: '', shared: shared) }
+
     before do
       allow_next_instance_of(described_class) do |instance|
-        allow(instance).to receive(:wait_for_archived_file).and_raise(StandardError)
+        allow(instance).to receive(:wait_for_archived_file).and_raise(StandardError, 'foo')
       end
-      described_class.import(importable: build(:project), archive_file: '', shared: shared)
     end
 
     it 'removes symlinks in root folder' do
+      import
+
       expect(File.exist?(symlink_file)).to be false
     end
 
     it 'removes hidden symlinks in root folder' do
+      import
+
       expect(File.exist?(hidden_symlink_file)).to be false
     end
 
     it 'removes symlinks in subfolders' do
+      import
+
       expect(File.exist?(subfolder_symlink_file)).to be false
     end
 
     it 'does not remove a valid file' do
+      import
+
       expect(File.exist?(valid_file)).to be true
     end
+
+    it 'returns false and sets an error on shared' do
+      result = import
+
+      expect(result).to eq(false)
+      expect(shared.errors.join).to eq('foo')
+    end
+
+    context 'when files in the archive share hard links' do
+      let(:hard_link_file) { "#{shared.export_path}/hard_link_file.txt" }
+
+      before do
+        FileUtils.link(valid_file, hard_link_file)
+      end
+
+      it 'returns false and sets an error on shared' do
+        result = import
+
+        expect(result).to eq(false)
+        expect(shared.errors.join).to eq('File shares hard link')
+      end
+
+      it 'removes all files in export path' do
+        expect(Dir).to exist(shared.export_path)
+        expect(File).to exist(symlink_file)
+        expect(File).to exist(hard_link_file)
+        expect(File).to exist(valid_file)
+
+        import
+
+        expect(File).not_to exist(symlink_file)
+        expect(File).not_to exist(hard_link_file)
+        expect(File).not_to exist(valid_file)
+        expect(Dir).not_to exist(shared.export_path)
+      end
+    end
   end
 
   context 'when file exceeds acceptable decompressed size' do
@@ -157,8 +202,10 @@ RSpec.describe Gitlab::ImportExport::FileImporter do
         allow(Gitlab::ImportExport::DecompressedArchiveSizeValidator).to receive(:max_bytes).and_return(1)
       end
 
-      it 'returns false' do
+      it 'returns false and sets an error on shared' do
-        expect(subject.import).to eq(false)
+        result = subject.import
+
+        expect(result).to eq(false)
         expect(shared.errors.join).to eq('Decompressed archive size validation failed.')
       end
     end

spec/lib/gitlab/import_export/json/ndjson_reader_spec.rb

@@ -35,16 +35,22 @@ RSpec.describe Gitlab::ImportExport::Json::NdjsonReader, feature_category: :impo
       expect(subject).to eq(root_tree)
     end
 
-    context 'when project.json is symlink' do
+    context 'when project.json is symlink or hard link' do
-      it 'raises error an error' do
+      using RSpec::Parameterized::TableSyntax
-        Dir.mktmpdir do |tmpdir|
-          FileUtils.touch(File.join(tmpdir, 'passwd'))
-          File.symlink(File.join(tmpdir, 'passwd'), File.join(tmpdir, 'project.json'))
 
-          ndjson_reader = described_class.new(tmpdir)
+      where(:link_method) { [:link, :symlink] }
 
-          expect { ndjson_reader.consume_attributes(importable_path) }
+      with_them do
-            .to raise_error(Gitlab::ImportExport::Error, 'Invalid file')
+        it 'raises an error' do
+          Dir.mktmpdir do |tmpdir|
+            FileUtils.touch(File.join(tmpdir, 'passwd'))
+            FileUtils.send(link_method, File.join(tmpdir, 'passwd'), File.join(tmpdir, 'project.json'))
+
+            ndjson_reader = described_class.new(tmpdir)
+
+            expect { ndjson_reader.consume_attributes(importable_path) }
+              .to raise_error(Gitlab::ImportExport::Error, 'Invalid file')
+          end
         end
       end
     end
@@ -97,18 +103,24 @@ RSpec.describe Gitlab::ImportExport::Json::NdjsonReader, feature_category: :impo
         end
       end
 
-      context 'when relation file is a symlink' do
+      context 'when relation file is a symlink or hard link' do
-        it 'yields nothing to the Enumerator' do
+        using RSpec::Parameterized::TableSyntax
-          Dir.mktmpdir do |tmpdir|
-            Dir.mkdir(File.join(tmpdir, 'project'))
-            File.write(File.join(tmpdir, 'passwd'), "{}\n{}")
-            File.symlink(File.join(tmpdir, 'passwd'), File.join(tmpdir, 'project', 'issues.ndjson'))
 
-            ndjson_reader = described_class.new(tmpdir)
+        where(:link_method) { [:link, :symlink] }
 
-            result = ndjson_reader.consume_relation(importable_path, 'issues')
+        with_them do
+          it 'yields nothing to the Enumerator' do
+            Dir.mktmpdir do |tmpdir|
+              Dir.mkdir(File.join(tmpdir, 'project'))
+              File.write(File.join(tmpdir, 'passwd'), "{}\n{}")
+              FileUtils.send(link_method, File.join(tmpdir, 'passwd'), File.join(tmpdir, 'project', 'issues.ndjson'))
 
-            expect(result.to_a).to eq([])
+              ndjson_reader = described_class.new(tmpdir)
+
+              result = ndjson_reader.consume_relation(importable_path, 'issues')
+
+              expect(result.to_a).to eq([])
+            end
           end
         end
       end

spec/lib/gitlab/import_export/recursive_merge_folders_spec.rb

@@ -4,15 +4,17 @@ require 'spec_helper'
 
 RSpec.describe Gitlab::ImportExport::RecursiveMergeFolders do
   describe '.merge' do
-    it 'merge folder and ignore symlinks' do
+    it 'merges folder and ignores symlinks and files that share hard links' do
       Dir.mktmpdir do |tmpdir|
         source = "#{tmpdir}/source"
         FileUtils.mkdir_p("#{source}/folder/folder")
         FileUtils.touch("#{source}/file1.txt")
+        FileUtils.touch("#{source}/file_that_shares_hard_links.txt")
         FileUtils.touch("#{source}/folder/file2.txt")
         FileUtils.touch("#{source}/folder/folder/file3.txt")
         FileUtils.ln_s("#{source}/file1.txt", "#{source}/symlink-file1.txt")
         FileUtils.ln_s("#{source}/folder", "#{source}/symlink-folder")
+        FileUtils.link("#{source}/file_that_shares_hard_links.txt", "#{source}/hard_link.txt")
 
         target = "#{tmpdir}/target"
         FileUtils.mkdir_p("#{target}/folder/folder")

spec/lib/gitlab/pages/virtual_host_finder_spec.rb

@@ -9,6 +9,10 @@ RSpec.describe Gitlab::Pages::VirtualHostFinder, feature_category: :pages do
     project.update_pages_deployment!(create(:pages_deployment, project: project))
   end
 
+  before do
+    stub_pages_setting(host: 'example.com')
+  end
+
   it 'returns nil when host is empty' do
     expect(described_class.new(nil).execute).to be_nil
     expect(described_class.new('').execute).to be_nil
@@ -69,7 +73,7 @@ RSpec.describe Gitlab::Pages::VirtualHostFinder, feature_category: :pages do
       end
 
       it 'returns the virual domain with no lookup_paths' do
-        virtual_domain = described_class.new("#{project.namespace.path}.#{Settings.pages.host}").execute
+        virtual_domain = described_class.new("#{project.namespace.path}.example.com").execute
 
         expect(virtual_domain).to be_an_instance_of(Pages::VirtualDomain)
         expect(virtual_domain.cache_key).to match(/pages_domain_for_namespace_#{project.namespace.id}_/)
@@ -82,7 +86,7 @@ RSpec.describe Gitlab::Pages::VirtualHostFinder, feature_category: :pages do
         end
 
         it 'returns the virual domain with no lookup_paths' do
-          virtual_domain = described_class.new("#{project.namespace.path}.#{Settings.pages.host}".downcase).execute
+          virtual_domain = described_class.new("#{project.namespace.path}.example.com".downcase).execute
 
           expect(virtual_domain).to be_an_instance_of(Pages::VirtualDomain)
           expect(virtual_domain.cache_key).to be_nil
@@ -104,7 +108,7 @@ RSpec.describe Gitlab::Pages::VirtualHostFinder, feature_category: :pages do
       end
 
       it 'returns the virual domain when there are pages deployed for the project' do
-        virtual_domain = described_class.new("#{project.namespace.path}.#{Settings.pages.host}").execute
+        virtual_domain = described_class.new("#{project.namespace.path}.example.com").execute
 
         expect(virtual_domain).to be_an_instance_of(Pages::VirtualDomain)
         expect(virtual_domain.cache_key).to match(/pages_domain_for_namespace_#{project.namespace.id}_/)
@@ -113,7 +117,7 @@ RSpec.describe Gitlab::Pages::VirtualHostFinder, feature_category: :pages do
       end
 
       it 'finds domain with case-insensitive' do
-        virtual_domain = described_class.new("#{project.namespace.path}.#{Settings.pages.host.upcase}").execute
+        virtual_domain = described_class.new("#{project.namespace.path}.Example.com").execute
 
         expect(virtual_domain).to be_an_instance_of(Pages::VirtualDomain)
         expect(virtual_domain.cache_key).to match(/pages_domain_for_namespace_#{project.namespace.id}_/)
@@ -127,7 +131,7 @@ RSpec.describe Gitlab::Pages::VirtualHostFinder, feature_category: :pages do
         end
 
         it 'returns the virual domain when there are pages deployed for the project' do
-          virtual_domain = described_class.new("#{project.namespace.path}.#{Settings.pages.host}").execute
+          virtual_domain = described_class.new("#{project.namespace.path}.example.com").execute
 
           expect(virtual_domain).to be_an_instance_of(Pages::VirtualDomain)
           expect(virtual_domain.cache_key).to be_nil
@@ -143,7 +147,7 @@ RSpec.describe Gitlab::Pages::VirtualHostFinder, feature_category: :pages do
       project.project_setting.update!(pages_unique_domain: 'unique-domain')
     end
 
-    subject(:virtual_domain) { described_class.new("unique-domain.#{Settings.pages.host.upcase}").execute }
+    subject(:virtual_domain) { described_class.new('unique-domain.example.com').execute }
 
     context 'when pages unique domain is enabled' do
       before_all do
@@ -171,6 +175,19 @@ RSpec.describe Gitlab::Pages::VirtualHostFinder, feature_category: :pages do
           expect(virtual_domain.lookup_paths.first.project_id).to eq(project.id)
         end
 
+        context 'when a project path conflicts with a unique domain' do
+          it 'prioritizes the unique domain project' do
+            group = create(:group, path: 'unique-domain')
+            other_project = build(:project, path: 'unique-domain.example.com', group: group)
+            other_project.save!(validate: false)
+            other_project.update_pages_deployment!(create(:pages_deployment, project: other_project))
+            other_project.mark_pages_as_deployed
+
+            expect(virtual_domain).to be_an_instance_of(Pages::VirtualDomain)
+            expect(virtual_domain.lookup_paths.first.project_id).to eq(project.id)
+          end
+        end
+
         context 'when :cache_pages_domain_api is disabled' do
           before do
             stub_feature_flags(cache_pages_domain_api: false)

spec/lib/gitlab/plantuml_spec.rb

@@ -0,0 +1,59 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+RSpec.describe Gitlab::Plantuml, feature_category: :shared do
+  describe ".configure" do
+    subject { described_class.configure }
+
+    let(:plantuml_url) { "http://plantuml.foo.bar" }
+
+    before do
+      allow(Gitlab::CurrentSettings).to receive(:plantuml_url).and_return(plantuml_url)
+    end
+
+    context "when PlantUML is enabled" do
+      before do
+        allow(Gitlab::CurrentSettings).to receive(:plantuml_enabled).and_return(true)
+      end
+
+      it "configures the endpoint URL" do
+        expect(subject.url).to eq(plantuml_url)
+      end
+
+      it "enables PNG support" do
+        expect(subject.png_enable).to be_truthy
+      end
+
+      it "disables SVG support" do
+        expect(subject.svg_enable).to be_falsey
+      end
+
+      it "disables TXT support" do
+        expect(subject.txt_enable).to be_falsey
+      end
+    end
+
+    context "when PlantUML is disabled" do
+      before do
+        allow(Gitlab::CurrentSettings).to receive(:plantuml_enabled).and_return(false)
+      end
+
+      it "configures the endpoint URL" do
+        expect(subject.url).to eq(plantuml_url)
+      end
+
+      it "enables PNG support" do
+        expect(subject.png_enable).to be_falsey
+      end
+
+      it "disables SVG support" do
+        expect(subject.svg_enable).to be_falsey
+      end
+
+      it "disables TXT support" do
+        expect(subject.txt_enable).to be_falsey
+      end
+    end
+  end
+end

spec/lib/gitlab/utils/file_info_spec.rb

@@ -0,0 +1,88 @@
+# frozen_string_literal: true
+
+require 'fast_spec_helper'
+
+RSpec.describe Gitlab::Utils::FileInfo, feature_category: :shared do
+  let(:tmpdir) { Dir.mktmpdir }
+  let(:file_path) { "#{tmpdir}/test.txt" }
+
+  before do
+    FileUtils.touch(file_path)
+  end
+
+  after do
+    FileUtils.rm_rf(tmpdir)
+  end
+
+  describe '.linked?' do
+    it 'raises an error when file does not exist' do
+      expect { subject.linked?('foo') }.to raise_error(Errno::ENOENT)
+    end
+
+    shared_examples 'identifies a linked file' do
+      it 'returns false when file or dir is not a link' do
+        expect(subject.linked?(tmpdir)).to eq(false)
+        expect(subject.linked?(file)).to eq(false)
+      end
+
+      it 'returns true when file or dir is symlinked' do
+        FileUtils.symlink(tmpdir, "#{tmpdir}/symlinked_dir")
+        FileUtils.symlink(file_path, "#{tmpdir}/symlinked_file.txt")
+
+        expect(subject.linked?("#{tmpdir}/symlinked_dir")).to eq(true)
+        expect(subject.linked?("#{tmpdir}/symlinked_file.txt")).to eq(true)
+      end
+
+      it 'returns true when file has more than one hard link' do
+        FileUtils.link(file_path, "#{tmpdir}/hardlinked_file.txt")
+
+        expect(subject.linked?(file)).to eq(true)
+        expect(subject.linked?("#{tmpdir}/hardlinked_file.txt")).to eq(true)
+      end
+    end
+
+    context 'when file is a File::Stat' do
+      let(:file) { File.lstat(file_path) }
+
+      it_behaves_like 'identifies a linked file'
+    end
+
+    context 'when file is path' do
+      let(:file) { file_path }
+
+      it_behaves_like 'identifies a linked file'
+    end
+  end
+
+  describe '.shares_hard_link?' do
+    it 'raises an error when file does not exist' do
+      expect { subject.shares_hard_link?('foo') }.to raise_error(Errno::ENOENT)
+    end
+
+    shared_examples 'identifies a file that shares a hard link' do
+      it 'returns false when file or dir does not share hard links' do
+        expect(subject.shares_hard_link?(tmpdir)).to eq(false)
+        expect(subject.shares_hard_link?(file)).to eq(false)
+      end
+
+      it 'returns true when file has more than one hard link' do
+        FileUtils.link(file_path, "#{tmpdir}/hardlinked_file.txt")
+
+        expect(subject.shares_hard_link?(file)).to eq(true)
+        expect(subject.shares_hard_link?("#{tmpdir}/hardlinked_file.txt")).to eq(true)
+      end
+    end
+
+    context 'when file is a File::Stat' do
+      let(:file) { File.lstat(file_path) }
+
+      it_behaves_like 'identifies a file that shares a hard link'
+    end
+
+    context 'when file is path' do
+      let(:file) { file_path }
+
+      it_behaves_like 'identifies a file that shares a hard link'
+    end
+  end
+end

spec/lib/json_web_token/hmac_token_spec.rb

@@ -25,7 +25,7 @@ RSpec.describe JSONWebToken::HMACToken do
   end
 
   describe '.decode' do
-    let(:leeway) { described_class::IAT_LEEWAY }
+    let(:leeway) { described_class::LEEWAY }
     let(:decoded_token) { described_class.decode(encoded_token, secret, leeway: leeway) }
 
     context 'with an invalid token' do

spec/models/project_setting_spec.rb

@@ -77,12 +77,36 @@ RSpec.describe ProjectSetting, type: :model, feature_category: :projects do
       expect(project_setting).not_to be_valid
       expect(project_setting.errors.full_messages).to include("Pages unique domain has already been taken")
     end
+
+    it "validates if the pages_unique_domain already exist as a project path" do
+      stub_pages_setting(host: 'example.com')
+
+      create(:project, path: "random-unique-domain.example.com")
+      project_setting = build(:project_setting, pages_unique_domain: "random-unique-domain")
+
+      expect(project_setting).not_to be_valid
+      expect(project_setting.errors.full_messages_for(:pages_unique_domain))
+        .to match(["Pages unique domain already in use"])
+    end
+
+    context "when updating" do
+      it "validates if the pages_unique_domain already exist as a project path" do
+        stub_pages_setting(host: 'example.com')
+        project_setting = create(:project_setting)
+
+        create(:project, path: "random-unique-domain.example.com")
+
+        expect(project_setting.update(pages_unique_domain: "random-unique-domain")).to eq(false)
+        expect(project_setting.errors.full_messages_for(:pages_unique_domain))
+          .to match(["Pages unique domain already in use"])
+      end
+    end
   end
 
   describe 'target_platforms=' do
     it 'stringifies and sorts' do
       project_setting = build(:project_setting, target_platforms: [:watchos, :ios])
-      expect(project_setting.target_platforms).to eq %w(ios watchos)
+      expect(project_setting.target_platforms).to eq %w[ios watchos]
     end
   end
 

spec/models/project_spec.rb

@@ -830,6 +830,37 @@ RSpec.describe Project, factory_default: :keep, feature_category: :projects do
         expect(project).to be_valid
       end
 
+      context 'when validating if path already exist as pages unique domain' do
+        before do
+          stub_pages_setting(host: 'example.com')
+        end
+
+        it 'rejects paths that match pages unique domain' do
+          create(:project_setting, pages_unique_domain: 'some-unique-domain')
+
+          project = build(:project, path: 'some-unique-domain.example.com')
+
+          expect(project).not_to be_valid
+          expect(project.errors.full_messages_for(:path)).to match(['Path already in use'])
+        end
+
+        it 'accepts path when the host does not match' do
+          create(:project_setting, pages_unique_domain: 'some-unique-domain')
+
+          project = build(:project, path: 'some-unique-domain.another-example.com')
+
+          expect(project).to be_valid
+        end
+
+        it 'accepts path when the domain does not match' do
+          create(:project_setting, pages_unique_domain: 'another-unique-domain')
+
+          project = build(:project, path: 'some-unique-domain.example.com')
+
+          expect(project).to be_valid
+        end
+      end
+
       context 'path is unchanged' do
         let_it_be(:invalid_path_project) do
           project = create(:project, :repository, :public)
@@ -4825,6 +4856,33 @@ RSpec.describe Project, factory_default: :keep, feature_category: :projects do
       project.update!(visibility_level: Gitlab::VisibilityLevel::INTERNAL)
     end
 
+    context 'when validating if path already exist as pages unique domain' do
+      before do
+        stub_pages_setting(host: 'example.com')
+      end
+
+      it 'rejects paths that match pages unique domain' do
+        stub_pages_setting(host: 'example.com')
+        create(:project_setting, pages_unique_domain: 'some-unique-domain')
+
+        expect(project.update(path: 'some-unique-domain.example.com')).to eq(false)
+        expect(project.errors.full_messages_for(:path)).to match(['Path already in use'])
+      end
+
+      it 'accepts path when the host does not match' do
+        create(:project_setting, pages_unique_domain: 'some-unique-domain')
+
+        expect(project.update(path: 'some-unique-domain.another-example.com')).to eq(true)
+      end
+
+      it 'accepts path when the domain does not match' do
+        stub_pages_setting(host: 'example.com')
+        create(:project_setting, pages_unique_domain: 'another-unique-domain')
+
+        expect(project.update(path: 'some-unique-domain.example.com')).to eq(true)
+      end
+    end
+
     it 'does not validate the visibility' do
       expect(project).not_to receive(:visibility_level_allowed_as_fork).and_call_original
       expect(project).not_to receive(:visibility_level_allowed_by_group).and_call_original

spec/policies/ci/pipeline_schedule_policy_spec.rb

@@ -2,10 +2,13 @@
 
 require 'spec_helper'
 
-RSpec.describe Ci::PipelineSchedulePolicy, :models, :clean_gitlab_redis_cache do
+RSpec.describe Ci::PipelineSchedulePolicy, :models, :clean_gitlab_redis_cache, feature_category: :continuous_integration do
+  using RSpec::Parameterized::TableSyntax
+
   let_it_be(:user) { create(:user) }
-  let_it_be(:project) { create(:project, :repository) }
+  let_it_be_with_reload(:project) { create(:project, :repository, create_tag: tag_ref_name) }
-  let_it_be(:pipeline_schedule, reload: true) { create(:ci_pipeline_schedule, :nightly, project: project) }
+  let_it_be_with_reload(:pipeline_schedule) { create(:ci_pipeline_schedule, :nightly, project: project) }
+  let_it_be(:tag_ref_name) { "v1.0.0" }
 
   let(:policy) do
     described_class.new(user, pipeline_schedule)
@@ -13,51 +16,143 @@ RSpec.describe Ci::PipelineSchedulePolicy, :models, :clean_gitlab_redis_cache do
 
   describe 'rules' do
     describe 'rules for protected ref' do
-      before do
+      context 'for branch' do
-        project.add_developer(user)
+        %w[refs/heads/master master].each do |branch_ref|
-      end
+          context "with #{branch_ref}" do
+            let_it_be(:branch_ref_name) { "master" }
+            let_it_be(:branch_pipeline_schedule) do
+              create(:ci_pipeline_schedule, :nightly, project: project, ref: branch_ref)
+            end
 
-      context 'when no one can push or merge to the branch' do
+            where(:push_access_level, :merge_access_level, :project_role, :accessible) do
-        before do
+              :no_one_can_push | :no_one_can_merge | :owner      | :be_disallowed
-          create(:protected_branch, :no_one_can_push, name: pipeline_schedule.ref, project: project)
+              :no_one_can_push | :no_one_can_merge | :maintainer | :be_disallowed
-        end
+              :no_one_can_push | :no_one_can_merge | :developer  | :be_disallowed
+              :no_one_can_push | :no_one_can_merge | :reporter   | :be_disallowed
+              :no_one_can_push | :no_one_can_merge | :guest      | :be_disallowed
 
-        it 'does not include ability to play pipeline schedule' do
+              :maintainers_can_push | :no_one_can_merge | :owner      | :be_allowed
-          expect(policy).to be_disallowed :play_pipeline_schedule
+              :maintainers_can_push | :no_one_can_merge | :maintainer | :be_allowed
+              :maintainers_can_push | :no_one_can_merge | :developer  | :be_disallowed
+              :maintainers_can_push | :no_one_can_merge | :reporter   | :be_disallowed
+              :maintainers_can_push | :no_one_can_merge | :guest      | :be_disallowed
+
+              :developers_can_push | :no_one_can_merge |  :owner      | :be_allowed
+              :developers_can_push | :no_one_can_merge |  :maintainer | :be_allowed
+              :developers_can_push | :no_one_can_merge |  :developer  | :be_allowed
+              :developers_can_push | :no_one_can_merge |  :reporter   | :be_disallowed
+              :developers_can_push | :no_one_can_merge |  :guest      | :be_disallowed
+
+              :no_one_can_push | :maintainers_can_merge | :owner      | :be_allowed
+              :no_one_can_push | :maintainers_can_merge | :maintainer | :be_allowed
+              :no_one_can_push | :maintainers_can_merge | :developer  | :be_disallowed
+              :no_one_can_push | :maintainers_can_merge | :reporter   | :be_disallowed
+              :no_one_can_push | :maintainers_can_merge | :guest      | :be_disallowed
+
+              :maintainers_can_push | :maintainers_can_merge | :owner      | :be_allowed
+              :maintainers_can_push | :maintainers_can_merge | :maintainer | :be_allowed
+              :maintainers_can_push | :maintainers_can_merge | :developer  | :be_disallowed
+              :maintainers_can_push | :maintainers_can_merge | :reporter   | :be_disallowed
+              :maintainers_can_push | :maintainers_can_merge | :guest      | :be_disallowed
+
+              :developers_can_push | :maintainers_can_merge |  :owner      | :be_allowed
+              :developers_can_push | :maintainers_can_merge |  :maintainer | :be_allowed
+              :developers_can_push | :maintainers_can_merge |  :developer  | :be_allowed
+              :developers_can_push | :maintainers_can_merge |  :reporter   | :be_disallowed
+              :developers_can_push | :maintainers_can_merge |  :guest      | :be_disallowed
+
+              :no_one_can_push | :developers_can_merge | :owner      | :be_allowed
+              :no_one_can_push | :developers_can_merge | :maintainer | :be_allowed
+              :no_one_can_push | :developers_can_merge | :developer  | :be_allowed
+              :no_one_can_push | :developers_can_merge | :reporter   | :be_disallowed
+              :no_one_can_push | :developers_can_merge | :guest      | :be_disallowed
+
+              :maintainers_can_push | :developers_can_merge | :owner      | :be_allowed
+              :maintainers_can_push | :developers_can_merge | :maintainer | :be_allowed
+              :maintainers_can_push | :developers_can_merge | :developer  | :be_allowed
+              :maintainers_can_push | :developers_can_merge | :reporter   | :be_disallowed
+              :maintainers_can_push | :developers_can_merge | :guest      | :be_disallowed
+
+              :developers_can_push | :developers_can_merge |  :owner      | :be_allowed
+              :developers_can_push | :developers_can_merge |  :maintainer | :be_allowed
+              :developers_can_push | :developers_can_merge |  :developer  | :be_allowed
+              :developers_can_push | :developers_can_merge |  :reporter   | :be_disallowed
+              :developers_can_push | :developers_can_merge |  :guest      | :be_disallowed
+            end
+
+            with_them do
+              before do
+                create(:protected_branch, push_access_level, merge_access_level, name: branch_ref_name,
+                  project: project)
+                project.add_role(user, project_role)
+              end
+
+              context 'for create_pipeline_schedule' do
+                subject(:policy) { described_class.new(user, new_branch_pipeline_schedule) }
+
+                let(:new_branch_pipeline_schedule) { project.pipeline_schedules.new(ref: branch_ref) }
+
+                it { expect(policy).to try(accessible, :create_pipeline_schedule) }
+              end
+
+              context 'for play_pipeline_schedule' do
+                subject(:policy) { described_class.new(user, branch_pipeline_schedule) }
+
+                it { expect(policy).to try(accessible, :play_pipeline_schedule) }
+              end
+            end
+          end
         end
       end
 
-      context 'when developers can push to the branch' do
+      context 'for tag' do
-        before do
+        %w[refs/tags/v1.0.0 v1.0.0].each do |tag_ref|
-          create(:protected_branch, :developers_can_merge, name: pipeline_schedule.ref, project: project)
+          context "with #{tag_ref}" do
-        end
+            let_it_be(:tag_pipeline_schedule) do
+              create(:ci_pipeline_schedule, :nightly, project: project, ref: tag_ref)
+            end
 
-        it 'includes ability to update pipeline' do
+            where(:access_level, :project_role, :accessible) do
-          expect(policy).to be_allowed :play_pipeline_schedule
+              :no_one_can_create | :owner      | :be_disallowed
-        end
+              :no_one_can_create | :maintainer | :be_disallowed
-      end
+              :no_one_can_create | :developer  | :be_disallowed
+              :no_one_can_create | :reporter   | :be_disallowed
+              :no_one_can_create | :guest      | :be_disallowed
 
-      context 'when no one can create the tag' do
+              :maintainers_can_create | :owner      | :be_allowed
-        let(:tag) { 'v1.0.0' }
+              :maintainers_can_create | :maintainer | :be_allowed
+              :maintainers_can_create | :developer  | :be_disallowed
+              :maintainers_can_create | :reporter   | :be_disallowed
+              :maintainers_can_create | :guest      | :be_disallowed
 
-        before do
+              :developers_can_create | :owner      | :be_allowed
-          pipeline_schedule.update!(ref: tag)
+              :developers_can_create | :maintainer | :be_allowed
+              :developers_can_create | :developer  | :be_allowed
+              :developers_can_create | :reporter   | :be_disallowed
+              :developers_can_create | :guest      | :be_disallowed
+            end
 
-          create(:protected_tag, :no_one_can_create, name: pipeline_schedule.ref, project: project)
+            with_them do
-        end
+              before do
+                create(:protected_tag, access_level, name: tag_ref_name, project: project)
+                project.add_role(user, project_role)
+              end
 
-        it 'does not include ability to play pipeline schedule' do
+              context 'for create_pipeline_schedule' do
-          expect(policy).to be_disallowed :play_pipeline_schedule
+                subject(:policy) { described_class.new(user, new_tag_pipeline_schedule) }
-        end
-      end
 
-      context 'when no one can create the tag but it is not a tag' do
+                let(:new_tag_pipeline_schedule) { project.pipeline_schedules.new(ref: tag_ref) }
-        before do
-          create(:protected_tag, :no_one_can_create, name: pipeline_schedule.ref, project: project)
-        end
 
-        it 'includes ability to play pipeline schedule' do
+                it { expect(policy).to try(accessible, :create_pipeline_schedule) }
-          expect(policy).to be_allowed :play_pipeline_schedule
+              end
+
+              context 'for play_pipeline_schedule' do
+                subject(:policy) { described_class.new(user, tag_pipeline_schedule) }
+
+                it { expect(policy).to try(accessible, :play_pipeline_schedule) }
+              end
+            end
+          end
         end
       end
     end

spec/requests/api/internal/base_spec.rb

@@ -50,6 +50,17 @@ RSpec.describe API::Internal::Base, feature_category: :system_access do
         expect(response).to have_gitlab_http_status(:ok)
       end
 
+      it 'authenticates using a jwt token with an IAT from 10 seconds in the future' do
+        headers =
+          travel_to(Time.now + 10.seconds) do
+            gitlab_shell_internal_api_request_header
+          end
+
+        perform_request(headers: headers)
+
+        expect(response).to have_gitlab_http_status(:ok)
+      end
+
       it 'returns 401 when jwt token is expired' do
         headers = gitlab_shell_internal_api_request_header
 

spec/services/bulk_imports/archive_extraction_service_spec.rb

@@ -43,13 +43,21 @@ RSpec.describe BulkImports::ArchiveExtractionService, feature_category: :importe
 
     context 'when archive file is a symlink' do
       it 'raises an error' do
-        FileUtils.ln_s(File.join(tmpdir, filename), File.join(tmpdir, 'symlink'))
+        FileUtils.ln_s(filepath, File.join(tmpdir, 'symlink'))
 
         expect { described_class.new(tmpdir: tmpdir, filename: 'symlink').execute }
           .to raise_error(BulkImports::Error, 'Invalid file')
       end
     end
 
+    context 'when archive file shares multiple hard links' do
+      it 'raises an error' do
+        FileUtils.link(filepath, File.join(tmpdir, 'hard_link'))
+
+        expect { subject.execute }.to raise_error(BulkImports::Error, 'Invalid file')
+      end
+    end
+
     context 'when filepath is being traversed' do
       it 'raises an error' do
         expect { described_class.new(tmpdir: File.join(Dir.mktmpdir, 'test', '..'), filename: 'name').execute }

spec/services/bulk_imports/file_decompression_service_spec.rb

@@ -3,6 +3,8 @@
 require 'spec_helper'
 
 RSpec.describe BulkImports::FileDecompressionService, feature_category: :importers do
+  using RSpec::Parameterized::TableSyntax
+
   let_it_be(:tmpdir) { Dir.mktmpdir }
   let_it_be(:ndjson_filename) { 'labels.ndjson' }
   let_it_be(:ndjson_filepath) { File.join(tmpdir, ndjson_filename) }
@@ -70,39 +72,68 @@ RSpec.describe BulkImports::FileDecompressionService, feature_category: :importe
       end
     end
 
-    context 'when compressed file is a symlink' do
+    shared_examples 'raises an error and removes the file' do |error_message:|
-      let_it_be(:symlink) { File.join(tmpdir, 'symlink.gz') }
+      specify do
-
-      before do
-        FileUtils.ln_s(File.join(tmpdir, gz_filename), symlink)
-      end
-
-      subject { described_class.new(tmpdir: tmpdir, filename: 'symlink.gz') }
-
-      it 'raises an error and removes the file' do
         expect { subject.execute }
-          .to raise_error(BulkImports::FileDecompressionService::ServiceError, 'File decompression error')
+          .to raise_error(BulkImports::FileDecompressionService::ServiceError, error_message)
-
+        expect(File).not_to exist(file)
-        expect(File.exist?(symlink)).to eq(false)
       end
     end
 
-    context 'when decompressed file is a symlink' do
+    shared_context 'when compressed file' do
-      let_it_be(:symlink) { File.join(tmpdir, 'symlink') }
+      let_it_be(:file) { File.join(tmpdir, 'file.gz') }
+
+      subject { described_class.new(tmpdir: tmpdir, filename: 'file.gz') }
 
       before do
-        FileUtils.ln_s(File.join(tmpdir, ndjson_filename), symlink)
+        FileUtils.send(link_method, File.join(tmpdir, gz_filename), file)
-
-        subject.instance_variable_set(:@decompressed_filepath, symlink)
       end
+    end
+
+    shared_context 'when decompressed file' do
+      let_it_be(:file) { File.join(tmpdir, 'file.txt') }
 
       subject { described_class.new(tmpdir: tmpdir, filename: gz_filename) }
 
-      it 'raises an error and removes the file' do
+      before do
-        expect { subject.execute }.to raise_error(described_class::ServiceError, 'Invalid file')
+        original_file = File.join(tmpdir, 'original_file.txt')
+        FileUtils.touch(original_file)
+        FileUtils.send(link_method, original_file, file)
 
-        expect(File.exist?(symlink)).to eq(false)
+        subject.instance_variable_set(:@decompressed_filepath, file)
       end
     end
+
+    context 'when compressed file is a symlink' do
+      let(:link_method) { :symlink }
+
+      include_context 'when compressed file'
+
+      include_examples 'raises an error and removes the file', error_message: 'File decompression error'
+    end
+
+    context 'when compressed file shares multiple hard links' do
+      let(:link_method) { :link }
+
+      include_context 'when compressed file'
+
+      include_examples 'raises an error and removes the file', error_message: 'File decompression error'
+    end
+
+    context 'when decompressed file is a symlink' do
+      let(:link_method) { :symlink }
+
+      include_context 'when decompressed file'
+
+      include_examples 'raises an error and removes the file', error_message: 'Invalid file'
+    end
+
+    context 'when decompressed file shares multiple hard links' do
+      let(:link_method) { :link }
+
+      include_context 'when decompressed file'
+
+      include_examples 'raises an error and removes the file', error_message: 'Invalid file'
+    end
   end
 end

spec/services/bulk_imports/file_download_service_spec.rb

@@ -10,7 +10,7 @@ RSpec.describe BulkImports::FileDownloadService, feature_category: :importers do
     let_it_be(:content_type) { 'application/octet-stream' }
     let_it_be(:content_disposition) { nil }
     let_it_be(:filename) { 'file_download_service_spec' }
-    let_it_be(:tmpdir) { Dir.tmpdir }
+    let_it_be(:tmpdir) { Dir.mktmpdir }
     let_it_be(:filepath) { File.join(tmpdir, filename) }
     let_it_be(:content_length) { 1000 }
 
@@ -247,6 +247,36 @@ RSpec.describe BulkImports::FileDownloadService, feature_category: :importers do
       end
     end
 
+    context 'when file shares multiple hard links' do
+      let_it_be(:hard_link) { File.join(tmpdir, 'hard_link') }
+
+      before do
+        existing_file = File.join(Dir.mktmpdir, filename)
+        FileUtils.touch(existing_file)
+        FileUtils.link(existing_file, hard_link)
+      end
+
+      subject do
+        described_class.new(
+          configuration: config,
+          relative_url: '/test',
+          tmpdir: tmpdir,
+          filename: 'hard_link',
+          file_size_limit: file_size_limit,
+          allowed_content_types: allowed_content_types
+        )
+      end
+
+      it 'raises an error and removes the file' do
+        expect { subject.execute }.to raise_error(
+          described_class::ServiceError,
+          'Invalid downloaded file'
+        )
+
+        expect(File.exist?(hard_link)).to eq(false)
+      end
+    end
+
     context 'when dir is not in tmpdir' do
       subject do
         described_class.new(

spec/services/ci/pipeline_schedules/update_service_spec.rb

@@ -6,7 +6,9 @@ RSpec.describe Ci::PipelineSchedules::UpdateService, feature_category: :continuo
   let_it_be(:user) { create(:user) }
   let_it_be(:reporter) { create(:user) }
   let_it_be(:project) { create(:project, :public, :repository) }
-  let_it_be(:pipeline_schedule) { create(:ci_pipeline_schedule, project: project, owner: user) }
+  let_it_be(:pipeline_schedule) do
+    create(:ci_pipeline_schedule, project: project, owner: user, ref: 'master')
+  end
 
   before_all do
     project.add_maintainer(user)

yarn.lock

@@ -1134,10 +1134,10 @@
   resolved "https://registry.yarnpkg.com/@gitlab/visual-review-tools/-/visual-review-tools-1.7.3.tgz#9ea641146436da388ffbad25d7f2abe0df52c235"
   integrity sha512-NMV++7Ew1FSBDN1xiZaauU9tfeSfgDHcOLpn+8bGpP+O5orUPm2Eu66R5eC5gkjBPaXosNAxNWtriee+aFk4+g==
 
-"@gitlab/web-ide@0.0.1-dev-20230511143809":
+"@gitlab/web-ide@0.0.1-dev-20230713160749-patch-1":
-  version "0.0.1-dev-20230511143809"
+  version "0.0.1-dev-20230713160749-patch-1"
-  resolved "https://registry.yarnpkg.com/@gitlab/web-ide/-/web-ide-0.0.1-dev-20230511143809.tgz#c13dfb4d1edab2e020d4a102d4ec18048917490f"
+  resolved "https://registry.yarnpkg.com/@gitlab/web-ide/-/web-ide-0.0.1-dev-20230713160749-patch-1.tgz#6420b55aae444533f9a4bd6269503d98a72aaa2e"
-  integrity sha512-caP5WSaTuIhPrPGUWyvPT4np6swkKQHM1Pa9HiBnGhiOhhQ1+3X/+J9EoZXUhnhwiBzS7sp32Uyttam4am/sTA==
+  integrity sha512-Dh8XQyPwDY6fkd/A+hTHCqrD23u5qnlaxKu5myyxDEgBNGgu4SGblFU9B6NHNm8eGUZk6Cs5MuMk+NUvWRKbmA==
 
 "@graphql-eslint/eslint-plugin@3.18.0":
   version "3.18.0"